Cita APA (7th ed.)

Radek, K. (1935). Portraits and pamphlets. McBride.

Cita Chicago (17th ed.)

Radek, Karl. Portraits and Pamphlets. N.Y.: McBride, 1935.

Cita MLA (8th ed.)

Radek, Karl. Portraits and Pamphlets. McBride, 1935.