Gruber, H. (1967). International Communism in the era of Lenin: A documentary history. Greenwich: Fawcett Publications.
Chicago Style (17th ed.) CitationGruber, Helmut. International Communism in the Era of Lenin: A Documentary History. Greenwich: Fawcett Publications, 1967.
MLA (8th ed.) CitationGruber, Helmut. International Communism in the Era of Lenin: A Documentary History. Greenwich: Fawcett Publications, 1967.
Warning: These citations may not always be 100% accurate.