APA (7th ed.) Citation

Stockton, S. M., Twain, M., & Belli, A. The adventures of Tom Sawyer.

Chicago Style (17th ed.) Citation

Stockton, Sally M., Mark Twain, and Alfredo Belli. The Adventures of Tom Sawyer. Barcelona.

MLA (9th ed.) Citation

Stockton, Sally M., et al. The Adventures of Tom Sawyer.