APA (7th ed.) Citation

Heitz, M., & Spencer, S. (2009). The dwarves (1st English language ed.). Orbit.

Chicago Style (17th ed.) Citation

Heitz, Markus, and Sally-Ann Spencer. The Dwarves. 1st English language ed. New York: Orbit, 2009.

MLA (8th ed.) Citation

Heitz, Markus, and Sally-Ann Spencer. The Dwarves. 1st English language ed. Orbit, 2009.

Warning: These citations may not always be 100% accurate.