Cita APA (7a ed.)

Fox, J., & Long, J. S. (1990). Modern methods of data analysis ([1st printing].). Sage.

Cita Chicago Style (17a ed.)

Fox, John, y J. Scott Long. Modern Methods of Data Analysis. [1st printing]. Newbury Park [etc.]: Sage, 1990.

Cita MLA (9a ed.)

Fox, John, y J. Scott Long. Modern Methods of Data Analysis. [1st printing]. Sage, 1990.