APA (7th ed.) Citation

(1994). Northern lights: Masterpieces of Tom Thomson and the Group of Seven. Key Porter Books.

Chicago Style (17th ed.) Citation

Northern Lights: Masterpieces of Tom Thomson and the Group of Seven. Toronto: Key Porter Books, 1994.

MLA (9th ed.) Citation

Northern Lights: Masterpieces of Tom Thomson and the Group of Seven. Key Porter Books, 1994.