APA (7th ed.) Zitazioa

Gilbert, B. (1973). The trailblazers. Time-Life Books.

Chicago Style (17th ed.) Zitazioa

Gilbert, Bil. The Trailblazers. New York: Time-Life Books, 1973.

MLA (9th ed.) Zitazioa

Gilbert, Bil. The Trailblazers. Time-Life Books, 1973.