Cita APA (7a ed.)

McKellar, D., & Padron, A. (2017). Goodnight, numbers (First edition.). Crown Books for Young Readers.

Cita Chicago Style (17a ed.)

McKellar, Danica, y Alicia Padron. Goodnight, Numbers. First edition. New York: Crown Books for Young Readers, 2017.

Cita MLA (8a ed.)

McKellar, Danica, y Alicia Padron. Goodnight, Numbers. First edition. Crown Books for Young Readers, 2017.

Precaución: Estas citas no son 100% exactas.