Cita APA (7th ed.)

Schwartz, A. (2012). Lucy can't sleep. Roaring Brook Press.

Cita Chicago (17th ed.)

Schwartz, Amy. Lucy Can't Sleep. New York: Roaring Brook Press, 2012.

Cita MLA (8th ed.)

Schwartz, Amy. Lucy Can't Sleep. Roaring Brook Press, 2012.