APA (7th ed.) Citation

Crews, W. (1969). Four causes of reality. Philosophical Library.

Chicago Style (17th ed.) Citation

Crews, William. Four Causes of Reality. New York: Philosophical Library, 1969.

MLA (9th ed.) Citation

Crews, William. Four Causes of Reality. Philosophical Library, 1969.

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