APA (7th ed.) Citation

Hackl, E. (1989). Aurora's motive (1. American ed.). Knopf.

Chicago Style (17th ed.) Citation

Hackl, Erich. Aurora's Motive. 1. American ed. New York: Knopf, 1989.

MLA (9th ed.) Citation

Hackl, Erich. Aurora's Motive. 1. American ed. Knopf, 1989.