APA (7th ed.) Citation

(1990). Erich Mühsam. Erich-Mühsam-Gesellschaft [etc.].

Chicago Style (17th ed.) Citation

Erich Mühsam. Erich-Mühsam-Gesellschaft [etc.], 1990.

MLA (8th ed.) Citation

Erich Mühsam. Erich-Mühsam-Gesellschaft [etc.], 1990.

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