APA (7th ed.) Citation

Carman, P., & Pittu, D. (2009). The black circle. Scholastic Audiobooks.

Chicago Style (17th ed.) Citation

Carman, Patrick, and David Pittu. The Black Circle. New York, NY: Scholastic Audiobooks, 2009.

MLA (8th ed.) Citation

Carman, Patrick, and David Pittu. The Black Circle. Scholastic Audiobooks, 2009.

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