APA (7th ed.) Citation

Sumner, W. G., & Keller, A. G. (1918). The forgotten man: And other essays. Yale University Press;[etc.,etc.].

Chicago Style (17th ed.) Citation

Sumner, William Graham, and Albert Galloway Keller. The Forgotten Man: And Other Essays. New Haven: Yale University Press;[etc.,etc.], 1918.

MLA (8th ed.) Citation

Sumner, William Graham, and Albert Galloway Keller. The Forgotten Man: And Other Essays. Yale University Press;[etc.,etc.], 1918.

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