Cita APA (7a ed.)

Foxworthy, J., & Björkman, S. (2008). Dirt on my shirt. HarperCollins Children's Books.

Cita Chicago Style (17a ed.)

Foxworthy, Jeff, y Steve Björkman. Dirt on My Shirt. New York: HarperCollins Children's Books, 2008.

Cita MLA (8a ed.)

Foxworthy, Jeff, y Steve Björkman. Dirt on My Shirt. HarperCollins Children's Books, 2008.

Precaución: Estas citas no son 100% exactas.