APA (7th ed.) Citation

Feuerbach, L. A. (1957). The essence of Christianity. Ungar.

Chicago Style (17th ed.) Citation

Feuerbach, Ludwig Andreas. The Essence of Christianity. New York: Ungar, 1957.

MLA (9th ed.) Citation

Feuerbach, Ludwig Andreas. The Essence of Christianity. Ungar, 1957.

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