APA (7th ed.) Citation

Keil, G. (1987). Philosophiegeschichte. Philosophiegeschichte.

Chicago Style (17th ed.) Citation

Keil, Günther. "Philosophiegeschichte." Philosophiegeschichte 1987.

MLA (8th ed.) Citation

Keil, Günther. "Philosophiegeschichte." Philosophiegeschichte, 1987.

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