Seuss, D. (1972). Marvin K. Mooney, will you please go now! Collins.
Cita Chicago (17th ed.)Seuss, Dr. Marvin K. Mooney, Will You Please Go Now! London: Collins, 1972.
Cita MLA (9th ed.)Seuss, Dr. Marvin K. Mooney, Will You Please Go Now! Collins, 1972.
Atenció: Aquestes cites poden no estar 100% correctes.