Gatland, K. W. (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 William. The Illustrated Encyclopedia of Space Technology: A Comprehensive History of Space Exploration. 1st U.S. ed. New York: Harmony Books, 1981.
Citatione MLA (9a ed.)Gatland, Kenneth William. The Illustrated Encyclopedia of Space Technology: A Comprehensive History of Space Exploration. 1st U.S. ed. Harmony Books, 1981.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.