APA (7th ed.) Citation

Smith, J. G. (1886). Atla: A story of the lost island. Harper.

Chicago Style (17th ed.) Citation

Smith, J. Gregory. Atla: A Story of the Lost Island. New York: Harper, 1886.

MLA (9th ed.) Citation

Smith, J. Gregory. Atla: A Story of the Lost Island. Harper, 1886.