APA (7th ed.) Citation

Däniken, E. v. (1971). Gods from outer space: Return to the stars, or evidence for the impossible ([1st American ed.].). Putnam.

Chicago Style (17th ed.) Citation

Däniken, Erich von. Gods from Outer Space: Return to the Stars, or Evidence for the Impossible. [1st American ed.]. New York: Putnam, 1971.

MLA (9th ed.) Citation

Däniken, Erich von. Gods from Outer Space: Return to the Stars, or Evidence for the Impossible. [1st American ed.]. Putnam, 1971.