Cita APA (7a ed.)

Robertson, D., & Kingsbury, R. (1986). Survive the savage sea. Longman.

Cita Chicago Style (17a ed.)

Robertson, Dougal, y Roy Kingsbury. Survive the Savage Sea. Hong Kong: Longman, 1986.

Cita MLA (8a ed.)

Robertson, Dougal, y Roy Kingsbury. Survive the Savage Sea. Longman, 1986.