APA (7th ed.) Citation

Freytag, G. (1920). Karl Mathy. Hirzel [u.a.].

Chicago Style (17th ed.) Citation

Freytag, Gustav. Karl Mathy. Leipzig [u.a.]: Hirzel [u.a.], 1920.

MLA (8th ed.) Citation

Freytag, Gustav. Karl Mathy. Hirzel [u.a.], 1920.

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