APA (7th ed.) Citation

Roberts, D. (1959). Existentialism and religious belief. A Galaxy Book.

Chicago Style (17th ed.) Citation

Roberts, David. Existentialism and Religious Belief. A Galaxy Book, 1959.

MLA (8th ed.) Citation

Roberts, David. Existentialism and Religious Belief. A Galaxy Book, 1959.

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