APA

Heward L., Bacon J. U. & Cirque du Soleil. (2006). The spark. New York: Currency Doubleday.

Chicago

Heward Lyn, Bacon John U and Cirque du Soleil. 2006. The spark. New York: Currency Doubleday.

Harvard

Heward L., Bacon J. U. and Cirque du Soleil. (2006). The spark. New York: Currency Doubleday.

MLA

Heward Lyn, Bacon John U and Cirque du Soleil. The spark. New York: Currency Doubleday. 2006.