Cita APA (7th ed.)

Dennett, P. E. (2001). Extraterrestrial visitations: True accounts of contact. Llewellyn Publications.

Cita Chicago (17th ed.)

Dennett, Preston E. Extraterrestrial Visitations: True Accounts of Contact. St. Paul, Minn: Llewellyn Publications, 2001.

Cita MLA (9th ed.)

Dennett, Preston E. Extraterrestrial Visitations: True Accounts of Contact. Llewellyn Publications, 2001.