APA (7th ed.) Citation

Johnston, T., & DiTerlizzi, T. (2002). Alien and Possum hanging out. Simon & Schuster Books for Young Readers.

Chicago Style (17th ed.) Citation

Johnston, Tony, and Tony DiTerlizzi. Alien and Possum Hanging Out. New York: Simon & Schuster Books for Young Readers, 2002.

MLA (8th ed.) Citation

Johnston, Tony, and Tony DiTerlizzi. Alien and Possum Hanging Out. Simon & Schuster Books for Young Readers, 2002.

Warning: These citations may not always be 100% accurate.