APA (7e ed.) Bronvermelding

Thorning, J. F. (1936). Communism in U.S.A. America Press.

Chicago (17e ed.) Bronvermelding

Thorning, Joseph F. Communism in U.S.A. New York: America Press, 1936.

MLA (8e ed.) Bronvermelding

Thorning, Joseph F. Communism in U.S.A. America Press, 1936.