APA (7th ed.) Citation

Rumke, H. (1949). The psychology of unbelief. Rockliff.

Chicago Style (17th ed.) Citation

Rumke, H.C. The Psychology of Unbelief. Rockliff, 1949.

MLA (8th ed.) Citation

Rumke, H.C. The Psychology of Unbelief. Rockliff, 1949.

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