Cita APA (7th ed.)

Brown, M. W., & Katz, K. (2010). Sleepy ABC. Harper.

Cita Chicago (17th ed.)

Brown, Margaret Wise, i Karen Katz. Sleepy ABC. New York: Harper, 2010.

Cita MLA (8th ed.)

Brown, Margaret Wise, i Karen Katz. Sleepy ABC. Harper, 2010.