APA (7th ed.) Citation

Oltion, J., & Asimov, I. (1990). Alliance (Ace ed.). Ace Books.

Chicago Style (17th ed.) Citation

Oltion, Jerry, and Isaac Asimov. Alliance. Ace ed. New York: Ace Books, 1990.

MLA (8th ed.) Citation

Oltion, Jerry, and Isaac Asimov. Alliance. Ace ed. Ace Books, 1990.