APA (7th ed.) Citation

Kanopy (Firm). (2014). Angles and Pencil-Turning Mysteries. The Great Courses.

Chicago Style (17th ed.) Citation

Kanopy (Firm). Angles and Pencil-Turning Mysteries. [San Francisco, California, USA]: The Great Courses, 2014.

MLA (9th ed.) Citation

Kanopy (Firm). Angles and Pencil-Turning Mysteries. The Great Courses, 2014.