APA (7th ed.) Citation

Holm, J. L., & Holm, M. (2014). Happy birthday, Babymouse! Random House.

Chicago Style (17th ed.) Citation

Holm, Jennifer L., and Matthew Holm. Happy Birthday, Babymouse! New York: Random House, 2014.

MLA (9th ed.) Citation

Holm, Jennifer L., and Matthew Holm. Happy Birthday, Babymouse! Random House, 2014.