APA (7th ed.) Citation

Stevenson, R. L., Fraser, M., & Hunter, J. J. Treasure island. Peter Haddock Limited.

Chicago Style (17th ed.) Citation

Stevenson, Robert Louis, Margaret Fraser, and Jenny J. Hunter. Treasure Island. England: Peter Haddock Limited.

MLA (9th ed.) Citation

Stevenson, Robert Louis, et al. Treasure Island. Peter Haddock Limited.