APA استشهاد

Stroll, A., & Popkin, R. H. (1961). Introduction to philosophy (2d ed.). Holt, Rinehart and Winston.

استشهاد بنمط شيكاغو

Stroll, Avrum, و Richard H. Popkin. Introduction to Philosophy. 2d ed. New York: Holt, Rinehart and Winston, 1961.

MLA استشهاد

Stroll, Avrum, و Richard H. Popkin. Introduction to Philosophy. 2d ed. Holt, Rinehart and Winston, 1961.