Cita APA (7a ed.)

Daywalt, D., & Jeffers, O. (2013). The day the crayons quit: By Drew Daywalt ; pictures by Oliver Jeffers. HarperCollins.

Cita Chicago Style (17a ed.)

Daywalt, Drew, y Oliver Jeffers. The Day the Crayons Quit: By Drew Daywalt ; Pictures by Oliver Jeffers. London: HarperCollins, 2013.

Cita MLA (9a ed.)

Daywalt, Drew, y Oliver Jeffers. The Day the Crayons Quit: By Drew Daywalt ; Pictures by Oliver Jeffers. HarperCollins, 2013.

Precaución: Estas citas no son 100% exactas.