APA (7th ed.) Citation

Kanopy (Firm). (2014). The Equation of a Circle. The Great Courses.

Chicago Style (17th ed.) Citation

Kanopy (Firm). The Equation of a Circle. [San Francisco, California, USA]: The Great Courses, 2014.

MLA (9th ed.) Citation

Kanopy (Firm). The Equation of a Circle. The Great Courses, 2014.

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