APA (7th ed.) Citation

(1935). Lenin on Engels. [In commemoration of] the 40th anniversary of Engels' death. New York.

Chicago Style (17th ed.) Citation

Lenin on Engels. [In Commemoration of] the 40th Anniversary of Engels' Death. New York, 1935.

MLA (8th ed.) Citation

Lenin on Engels. [In Commemoration of] the 40th Anniversary of Engels' Death. New York, 1935.

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