To cite lavaan in publications use:
Rosseel Y (2012). “lavaan: An R Package for Structural Equation Modeling.” Journal of Statistical Software, 48(2), 1–36. http://www.jstatsoft.org/v48/i02/.
Corresponding BibTeX entry:
@Article{, title = {{lavaan}: An {R} Package for Structural Equation Modeling}, author = {Yves Rosseel}, journal = {Journal of Statistical Software}, year = {2012}, volume = {48}, number = {2}, pages = {1--36}, url = {http://www.jstatsoft.org/v48/i02/}, }