APA (7th ed.) Citation

Cheng, A., & Halpin, A. (2012). The year of the book. Houghton Mifflin.

Chicago Style (17th ed.) Citation

Cheng, Andrea, and Abigail Halpin. The Year of the Book. Boston: Houghton Mifflin, 2012.

MLA (9th ed.) Citation

Cheng, Andrea, and Abigail Halpin. The Year of the Book. Houghton Mifflin, 2012.

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