Citazione APA

Sheen, F. J. (1937). Communism answers questions of a communist. The Paulist press.

Stile di citazione Chicago

Sheen, Fulton J. Communism Answers Questions of a Communist. New York: The Paulist press, 1937.

Citazione MLA

Sheen, Fulton J. Communism Answers Questions of a Communist. The Paulist press, 1937.