Cita APA (7a ed.)

Lobel, A., & Lobel, A. (2009). Odd owls & stout pigs: A book of nonsense. Harper.

Cita Chicago Style (17a ed.)

Lobel, Arnold, y Adrianne Lobel. Odd Owls & Stout Pigs: A Book of Nonsense. New York: Harper, 2009.

Cita MLA (8a ed.)

Lobel, Arnold, y Adrianne Lobel. Odd Owls & Stout Pigs: A Book of Nonsense. Harper, 2009.