APA (7th ed.) Citation

Mayer, G. (1934). Friedrich Engels in seiner Frühzeit. Nijhoff.

Chicago Style (17th ed.) Citation

Mayer, Gustav. Friedrich Engels in Seiner Frühzeit. Haag: Nijhoff, 1934.

MLA (8th ed.) Citation

Mayer, Gustav. Friedrich Engels in Seiner Frühzeit. Nijhoff, 1934.

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