Cita APA (7th ed.)

Britannica Corporation. (1990). Geology [motion pictures]: Earth science: exploring planet earth; the moon : giant step in geology. Encyclopedia Britannica Educational Corporation.

Cita Chicago (17th ed.)

Britannica Corporation. Geology [motion Pictures]: Earth Science: Exploring Planet Earth; the Moon : Giant Step in Geology. Chicago: Encyclopedia Britannica Educational Corporation, 1990.

Cita MLA (9th ed.)

Britannica Corporation. Geology [motion Pictures]: Earth Science: Exploring Planet Earth; the Moon : Giant Step in Geology. Encyclopedia Britannica Educational Corporation, 1990.