APA (7th ed.) Citation

(1930). Christian Ethics and Modern Problems. G.P. Putnam's Sons.

Chicago Style (17th ed.) Citation

Christian Ethics and Modern Problems. G.P. Putnam's Sons, 1930.

MLA (8th ed.) Citation

Christian Ethics and Modern Problems. G.P. Putnam's Sons, 1930.

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