APA (7th ed.) Citation

Beyer, P. (1960). Gottfried Keller. Verlag Enzyklopädie.

Chicago Style (17th ed.) Citation

Beyer, Paul. Gottfried Keller. Leipzig: Verlag Enzyklopädie, 1960.

MLA (8th ed.) Citation

Beyer, Paul. Gottfried Keller. Verlag Enzyklopädie, 1960.

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