APA (7th ed.) Citation

ENGELS, F. (1970). Ueber die Schweiz. Arche.

Chicago Style (17th ed.) Citation

ENGELS, Friedrich. Ueber Die Schweiz. Arche, 1970.

MLA (8th ed.) Citation

ENGELS, Friedrich. Ueber Die Schweiz. Arche, 1970.

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