APA (7th ed.) Citation

International, C. (1921). The second congress of the Communist International. Pub. Office of the Communist International.

Chicago Style (17th ed.) Citation

International, Communist. The Second Congress of the Communist International. Pub. Office of the Communist International, 1921.

MLA (8th ed.) Citation

International, Communist. The Second Congress of the Communist International. Pub. Office of the Communist International, 1921.

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