Cita APA (7a ed.)

Marx, H., Paradis, J., & Barber, R. (1963). Harpo Marx: Harpo speaks! C. Mandel.

Cita Chicago Style (17a ed.)

Marx, Harpo, Jean Paradis, y Rowland Barber. Harpo Marx: Harpo Speaks! Paris: C. Mandel, 1963.

Cita MLA (9a ed.)

Marx, Harpo, et al. Harpo Marx: Harpo Speaks! C. Mandel, 1963.