APA (7th ed.) Citation

Jago, L. (2001). The northern lights (1. American ed.). Knopf.

Chicago Style (17th ed.) Citation

Jago, Lucy. The Northern Lights. 1. American ed. New York: Knopf, 2001.

MLA (9th ed.) Citation

Jago, Lucy. The Northern Lights. 1. American ed. Knopf, 2001.