Cita APA (7th ed.)

Ludwig, J. B. (1963). Confusions / Jack B. Ludwig. Graphic Society.

Cita Chicago (17th ed.)

Ludwig, Jack Barry. Confusions / Jack B. Ludwig. Greenwich, Conn: Graphic Society, 1963.

Cita MLA (9th ed.)

Ludwig, Jack Barry. Confusions / Jack B. Ludwig. Graphic Society, 1963.