APA (7th ed.) Citation

Engels, F. (2019). Archivmaterialien zu Friedrich Engels, 1820-1895.

Chicago Style (17th ed.) Citation

Engels, Friedrich. Archivmaterialien Zu Friedrich Engels, 1820-1895. 2019.

MLA (8th ed.) Citation

Engels, Friedrich. Archivmaterialien Zu Friedrich Engels, 1820-1895. 2019.

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