APA (7th ed.) Citation

Nakhnikian, G. (1967). An introduction to philosophy. Knopf.

Chicago Style (17th ed.) Citation

Nakhnikian, George. An Introduction to Philosophy. New York: Knopf, 1967.

MLA (9th ed.) Citation

Nakhnikian, George. An Introduction to Philosophy. Knopf, 1967.

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