Cita APA (7a ed.)

Ziefert, H., & Smith, M. (1993). Harry takes a bath. Puffin Books.

Cita Chicago Style (17a ed.)

Ziefert, Harriet, y Mavis Smith. Harry Takes a Bath. New York: Puffin Books, 1993.

Cita MLA (8a ed.)

Ziefert, Harriet, y Mavis Smith. Harry Takes a Bath. Puffin Books, 1993.