APA Edition Citation

Macquarrie, J. (1972). Existentialism. Penguin books.

Chicago Edition Citation

Macquarrie, John. Existentialism. New York: Penguin books, 1972.

MLA Edition Citation

Macquarrie, John. Existentialism. Penguin books, 1972.

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