Rulen, B. (1979). Teenage rider: Brad Rulen. [Star].
Cita Chicago (17th ed.)Rulen, Brad. Teenage Rider: Brad Rulen. [New York]: [Star], 1979.
Cita MLA (8th ed.)Rulen, Brad. Teenage Rider: Brad Rulen. [Star], 1979.
Atenció: Aquestes cites poden no estar 100% correctes.