Cita APA (7a ed.)

Asprin, R., & Abbey, L. (1985). Wings of omen (4. print.). Berkley Publishing Group.

Cita Chicago Style (17a ed.)

Asprin, Robert, y Lynn Abbey. Wings of Omen. 4. print. New York: Berkley Publishing Group, 1985.

Cita MLA (9a ed.)

Asprin, Robert, y Lynn Abbey. Wings of Omen. 4. print. Berkley Publishing Group, 1985.