Cita APA (7th ed.)

Pullman, P. (1995). Northern lights. Scholastic Children's Books.

Cita Chicago (17th ed.)

Pullman, Philip. Northern Lights. London ; New York: Scholastic Children's Books, 1995.

Cita MLA (9th ed.)

Pullman, Philip. Northern Lights. Scholastic Children's Books, 1995.