Cita APA (7th ed.)

Perry, W. G. (1970). Forms of intellectual and ethical development in the college years: Scheme. Holt Rinehart and Winston.

Cita Chicago (17th ed.)

Perry, William G. Forms of Intellectual and Ethical Development in the College Years: Scheme. New York: Holt Rinehart and Winston, 1970.

Cita MLA (9th ed.)

Perry, William G. Forms of Intellectual and Ethical Development in the College Years: Scheme. Holt Rinehart and Winston, 1970.

Atenció: Aquestes cites poden no estar 100% correctes.