APA (7th ed.) Citation

(1985). Comet Halley: Once in a lifetime/ [kasetvideo]. New York : Educational Images.

Chicago Style (17th ed.) Citation

Comet Halley: Once in a Lifetime/ [kasetvideo]. New York : Educational Images, 1985.

MLA (9th ed.) Citation

Comet Halley: Once in a Lifetime/ [kasetvideo]. New York : Educational Images, 1985.

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