APA (7th ed.) Citation

Keller, G., & Mahr, K. (1949). Novellen (o.A.). Philipp Reclam jun..

Chicago Style (17th ed.) Citation

Keller, Gottfried, and Karl Mahr. Novellen. o.A. Leipzig: Philipp Reclam jun., 1949.

MLA (8th ed.) Citation

Keller, Gottfried, and Karl Mahr. Novellen. o.A. Philipp Reclam jun., 1949.

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