APA (7th ed.) Citation

Gruber, H. (1967). International Communism in the era of Lenin: A documentary history. Greenwich: Fawcett Publications.

Chicago Style (17th ed.) Citation

Gruber, Helmut. International Communism in the Era of Lenin: A Documentary History. Greenwich: Fawcett Publications, 1967.

MLA (8th ed.) Citation

Gruber, Helmut. International Communism in the Era of Lenin: A Documentary History. Greenwich: Fawcett Publications, 1967.

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