Cita APA (7a ed.)

Kevin Henkes. (2012). Penny and her song. Greenwillow Books.

Cita Chicago Style (17a ed.)

Kevin Henkes. Penny and Her Song. New York: Greenwillow Books, 2012.

Cita MLA (8a ed.)

Kevin Henkes. Penny and Her Song. Greenwillow Books, 2012.