APA (7th ed.) Citation

Hacker, D., Sommers, N. I., & Huster, K. (2018). A writer's reference (Ninth edition.). Bedford/St. Martin's.

Chicago Style (17th ed.) Citation

Hacker, Diana, Nancy I. Sommers, and Kimberli Huster. A Writer's Reference. Ninth edition. Boston ; New York: Bedford/St. Martin's, 2018.

MLA (9th ed.) Citation

Hacker, Diana, et al. A Writer's Reference. Ninth edition. Bedford/St. Martin's, 2018.