To cite the lake temps package in publications use:

Sharma, Sapna; Gray, Derek; Read, Jordan; O'Reilly, Catherine; Schneider, Philipp; Qudrat, Anam; Gries, Corinna; Stefanoff, Samantha; Hampton, Stephanie; Hook, Simon; Lenters, John; Livingstone, David; McIntyre, Peter; Adrian, Rita; Allan, Mathew; Anneville, Orlane; Arvola, Lauri; Austin, Jay; Bailey, John; Baron, Jill; Brookes, Justin; Chen, Yuwei; Daly, Robert; Dokulil, Martin; Dong, Bo; Ewing, Kye; de Eyto, Elvira; Hamilton, David; Havens, Karl; Haydon, Shane; Hetzenauer, Harald; Heneberry, Joceylene; Hetherington, Amy; Higgins, Scott; Hixcon, Eric; Izmest'eva, Lyubov; Jones, Benjamin; Kangur, Kullli; Kasprzak, Peter; Koster, Olivier; Kraemer, Benjamin; Kumagai, Michio; Kuusisto, Esko; Leshkevich, George; May, Linda; MacIntyre, Sally; Mueller-Navarra, Doerthe; Naumenko, Mikhail; Noges, Peeter; Noges, Tiina; Niederhauser, Pius; North, Ryan; Paterson, Andrew; Plisnier, Pierre-Denis; Rigosi, Anna; Rimmer, Alon; Rogora, Michela; Rudstram, Lars; Rusak, James; Salmaso, Nico; Samal, Nihar; Schindler, Daniel; Schladow, Geoffrey; Schmidt, Silke; Schultz, Tracey; Silow, Eugene; Straile, Dietmar; Teubner, Katrin; Verburg, Piet; Voutilainen, Ari; Watkinson, Andrew; Weyhenmeyer, Gesa; Williamson, Craig; Woo, Kara (2014): Globally distributed lake surface water temperatures collected in situ and by satellites; 1985-2009. Long Term Ecological Research Network. http://dx.doi.org/10.6073/pasta/379a6cebee50119df2575c469aba19c5

Corresponding BibTeX entry:

  @Article{,
    author = {Sapna Sharma and Derek Gray and Jordan S. Read and
      Catherine O'Reilly and Philipp Schneider and Anam Qudrat and
      Corinna Gries and Samantha Stefanoff and Stephanie Hampton and
      Simon Hook and John Lenters and David M. Livingstone and Peter
      McIntyre and Rita Adrian and Mathew Allan and Orlane Anneville
      and Lauri Arvola and Jay Austin and John Bailey and Jill Baron
      and Justin Brookes and Yuwei Chen and Robert Daly and Kye Ewing
      and Elvira {de Eyto} and Bo Dong and Martin Dokulil and David
      Hamilton and Karl Havens and Shane Haydon and Harald Hetzenauer
      and Jocelyne Heneberry and Amy Hetherington and Scott Higgins and
      Eric Hixson and Lyubov Izmest'eva and Benjamin Jones and Kulli
      Kangur and Peter Kasprzak and Benjamin Kraemer and Michio Kumagai
      and Esko Kuusisto and George Leshkevich and Linda May and Sally
      MacIntyre and Doerthe Muller-Navarra and Mikhail Naumenko and
      Peeter Noges and Tiina Noges and Ryan North and Andrew Paterson
      and Pierre-Denis Plisnier and Anna Rigosi and Alon Rimmer and
      Michela Rogora and Lars Rudstam and James Rusak and Nico Salmaso
      and Nihar Samal and Daniel Schindler and Geoffrey Schladow and
      Silke Schmidt and Tracey Schultz and Eugene Silow and Dietmar
      Straile and Katrin Teubner and Piet Verburg and Ari Voutilainen
      and Andrew Watkinson and Gesa Weyhenmeyer and Craig Williamson
      and Kara Woo and Oliver Koster and Pius Niederhauser},
    title = {Globally distributed lake surface water temperatures
      collected in situ and by satellites; 1985-2009.},
    journal = {Nature: Scientific Data},
    year = {2015},
    doi = {doi:10.6073/pasta/379a6cebee50119df2575c469aba19c5},
    url =
      {https://portal.lternet.edu/nis/mapbrowse?packageid=knb-lter-ntl.10001.3},
  }