APA (7th ed.) Citation

Sinclair, U. (1918). The profits of religion: An essay in economic interpretation. Sinclair.

Chicago Style (17th ed.) Citation

Sinclair, Upton. The Profits of Religion: An Essay in Economic Interpretation. Pasadena: Sinclair, 1918.

MLA (9th ed.) Citation

Sinclair, Upton. The Profits of Religion: An Essay in Economic Interpretation. Sinclair, 1918.

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