APA (7th ed.) Citation

Diemer, A., & Frenzel, I. (1979). Philosophie Das Fischer-Lexikon.

Chicago Style (17th ed.) Citation

Diemer, Alwin, and Ivo Frenzel. "Philosophie." Das Fischer-Lexikon 1979.

MLA (8th ed.) Citation

Diemer, Alwin, and Ivo Frenzel. "Philosophie." Das Fischer-Lexikon, 1979.

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