Cita APA

Duffy, J. P. (1994). How to earn a college degree without going to college (2nd ed.). Wiley.

Citación estilo Chicago

Duffy, James P. How to Earn a College Degree Without Going to College. 2nd ed. New York: Wiley, 1994.

Cita MLA

Duffy, James P. How to Earn a College Degree Without Going to College. 2nd ed. Wiley, 1994.

Warning: These citations may not always be 100% accurate.