To cite this data in publications use:

Albert Y. Kim, Adriana Escobedo-Land (2015). OkCupid Profile Data for Introductory Statistics and Data Science Courses. Journal of Statistics Education, 23(2). URL http://www.amstat.org/publications/jse/v23n2/kim.pdf.

Corresponding BibTeX entry:

  @Article{,
    title = {OkCupid Profile Data for Introductory Statistics and Data
      Science Courses},
    author = {Albert Y. Kim and Adriana Escobedo-Land},
    journal = {Journal of Statistics Education},
    year = {2015},
    volume = {23},
    number = {2},
    url = {http://www.amstat.org/publications/jse/v23n2/kim.pdf},
  }