APA (7th ed.) Citation

Mathers, P. (2002). Herbie's secret Santa. Atheneum Books for Young Readers.

Chicago Style (17th ed.) Citation

Mathers, Petra. Herbie's Secret Santa. New York [u.a.]: Atheneum Books for Young Readers, 2002.

MLA (9th ed.) Citation

Mathers, Petra. Herbie's Secret Santa. Atheneum Books for Young Readers, 2002.