Style de citation APA (7e éd.)

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

Style de citation Chicago (17e éd.)

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

Style de citation MLA (8e éd.)

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