Citazione Stile APA (7a Edizione)

Gatland, K. (1981). The Illustrated encyclopedia of space technology: A comprehensive history of space exploration (1st U.S. ed.). Harmony Books.

Citazione stile Chigago Style (17a edizione)

Gatland, Kenneth. The Illustrated Encyclopedia of Space Technology: A Comprehensive History of Space Exploration. 1st U.S. ed. New York: Harmony Books, 1981.

Citatione MLA (8a ed.)

Gatland, Kenneth. The Illustrated Encyclopedia of Space Technology: A Comprehensive History of Space Exploration. 1st U.S. ed. Harmony Books, 1981.