APA استشهاد

Lefton, L. A. (1985). Psychology (3rd ed.). Allyn and Bacon.

استشهاد بنمط شيكاغو

Lefton, Lester A. Psychology. 3rd ed. Boston: Allyn and Bacon, 1985.

MLA استشهاد

Lefton, Lester A. Psychology. 3rd ed. Allyn and Bacon, 1985.