Cita APA (7a ed.)

Fox, J., & Long, J. S. (1990). Modern methods of data analysis (1. print.). Sage.

Cita Chicago Style (17a ed.)

Fox, John, y J. Scott Long. Modern Methods of Data Analysis. 1. print. Newbury Park, Calif. [u.a.]: Sage, 1990.

Cita MLA (9a ed.)

Fox, John, y J. Scott Long. Modern Methods of Data Analysis. 1. print. Sage, 1990.