APA (7th ed.) Citation

Archer, W. (1917). Gems (?) of German thought. Doubleday, Page.

Chicago Style (17th ed.) Citation

Archer, William. Gems (?) of German Thought. Garden City, N.Y.: Doubleday, Page, 1917.

MLA (9th ed.) Citation

Archer, William. Gems (?) of German Thought. Doubleday, Page, 1917.

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