APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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