Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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