APA (7th ed.) Citation

Koch, C. J. (1987). The boys in the island (Rev. ed.). Sirius.

Chicago Style (17th ed.) Citation

Koch, C. J. The Boys in the Island. Rev. ed. North Ryde, NSW, Australia: Sirius, 1987.

MLA (9th ed.) Citation

Koch, C. J. The Boys in the Island. Rev. ed. Sirius, 1987.