APA (7th ed.) Citation

Swan, D., Twain, M., & Molan, C. (1997). The adventures of Tom Sawyer. Longman.

Chicago Style (17th ed.) Citation

Swan, D.K, Mark Twain, and Chris Molan. The Adventures of Tom Sawyer. Harlow, England: Longman, 1997.

MLA (9th ed.) Citation

Swan, D.K, et al. The Adventures of Tom Sawyer. Longman, 1997.