APA (7th ed.) Citation

Gemkow, H. (1970). Friedrich Engels. Dietz.

Chicago Style (17th ed.) Citation

Gemkow, Heinrich. Friedrich Engels. Berlin: Dietz, 1970.

MLA (8th ed.) Citation

Gemkow, Heinrich. Friedrich Engels. Dietz, 1970.

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