Cita APA (7th ed.)

Daniken, E. v. (1972). Return to the stars: Evidence for the impossible. Corgi Books.

Cita Chicago (17th ed.)

Daniken, Erich von. Return to the Stars: Evidence for the Impossible. Londres: Corgi Books, 1972.

Cita MLA (9th ed.)

Daniken, Erich von. Return to the Stars: Evidence for the Impossible. Corgi Books, 1972.