APA استشهاد

Richard J. Gerrig. (2013). Psychology and life (20th ed.). Pearson.

استشهاد بنمط شيكاغو

Richard J. Gerrig. Psychology and Life. 20th ed. Boston: Pearson, 2013.

MLA استشهاد

Richard J. Gerrig. Psychology and Life. 20th ed. Pearson, 2013.