Cita APA (7a ed.)

Prothero, D. R. (2017). UFOs, Chemtrails, and Aliens: What Science Says. Indiana University Press.

Cita Chicago Style (17a ed.)

Prothero, Donald R. UFOs, Chemtrails, and Aliens: What Science Says. Bloomington, Indiana: Indiana University Press, 2017.

Cita MLA (8a ed.)

Prothero, Donald R. UFOs, Chemtrails, and Aliens: What Science Says. Indiana University Press, 2017.