Cita APA (7th ed.)
Hallas, D. (2008). The comintern. Haymarket Books.
Cita Chicago (17th ed.)
Hallas, Duncan. The Comintern. Chicago, Ill.: Haymarket Books, 2008.
Cita MLA (9th ed.)
Hallas, Duncan. The Comintern. Haymarket Books, 2008.
Atenció: Aquestes cites poden no estar 100% correctes.