Cita APA (7a ed.)

Harris, R. H. (2009). It's perfectly normal: Book about changing (Third edition.). Candlewick Press.

Cita Chicago Style (17a ed.)

Harris, Robie H. It's Perfectly Normal: Book About Changing. Third edition. Massachusetts: Candlewick Press, 2009.

Cita MLA (9a ed.)

Harris, Robie H. It's Perfectly Normal: Book About Changing. Third edition. Candlewick Press, 2009.