Cita APA (7a ed.)

Dr. Seuss & Marschall, R. (1987). The tough coughs as he ploughs the dough. William Morrow.

Cita Chicago Style (17a ed.)

Dr. Seuss y Richard Marschall. The Tough Coughs as He Ploughs the Dough. New York: William Morrow, 1987.

Cita MLA (9a ed.)

Dr. Seuss y Richard Marschall. The Tough Coughs as He Ploughs the Dough. William Morrow, 1987.