Cita APA (7th ed.)

Britannica Corporation. (1990). Human being [videorecording]: The digestive system, work of the heart. Encyclopedia Britannica Educational Corporation.

Cita Chicago (17th ed.)

Britannica Corporation. Human Being [videorecording]: The Digestive System, Work of the Heart. Chicago: Encyclopedia Britannica Educational Corporation, 1990.

Cita MLA (9th ed.)

Britannica Corporation. Human Being [videorecording]: The Digestive System, Work of the Heart. Encyclopedia Britannica Educational Corporation, 1990.