APA (7th ed.) Citation

Däniken, E. v., & Heron, M. (2017). Chariots of the gods?: Unsolved mysteries of the past. Souvenir.

Chicago Style (17th ed.) Citation

Däniken, Erich von, and Michael Heron. Chariots of the Gods?: Unsolved Mysteries of the Past. London: Souvenir, 2017.

MLA (9th ed.) Citation

Däniken, Erich von, and Michael Heron. Chariots of the Gods?: Unsolved Mysteries of the Past. Souvenir, 2017.