Cita APA (7th ed.)

Bianchi, T. (1993). Extraordinary friends (1. Auflage.). St. Martin's Press.

Cita Chicago (17th ed.)

Bianchi, Tom. Extraordinary Friends. 1. Auflage. New York: St. Martin's Press, 1993.

Cita MLA (8th ed.)

Bianchi, Tom. Extraordinary Friends. 1. Auflage. St. Martin's Press, 1993.