APA (7th ed.) Citation

Del Vecchio, J. M. (1982). The 13th valley: A novel. Bantam Books.

Chicago Style (17th ed.) Citation

Del Vecchio, John M. The 13th Valley: A Novel. Toronto ; New York: Bantam Books, 1982.

MLA (9th ed.) Citation

Del Vecchio, John M. The 13th Valley: A Novel. Bantam Books, 1982.