APA (7th ed.) Citation

Twain, Bullard, & Johnson. (2003). The adventures of Tom Sawyer. Oxford University Press.

Chicago Style (17th ed.) Citation

Twain, Bullard, and Johnson. The Adventures of Tom Sawyer. Oxford: Oxford University Press, 2003.

MLA (8th ed.) Citation

Twain, et al. The Adventures of Tom Sawyer. Oxford University Press, 2003.