Carman, P., & Pittu, D. (2017). The black circle (Unabridged.). Scholastic Audio Books.
Cita Chicago Style (17a ed.)Carman, Patrick, y David Pittu. The Black Circle. Unabridged. New York City: Scholastic Audio Books, 2017.
Cita MLA (8a ed.)Carman, Patrick, y David Pittu. The Black Circle. Unabridged. Scholastic Audio Books, 2017.
Precaución: Estas citas no son 100% exactas.