Cita APA (7a ed.)

Coddington, A. (2018). Aliens, UFOs, and unexplained encounters (First edition.). Cavendish Square.

Cita Chicago Style (17a ed.)

Coddington, Andrew. Aliens, UFOs, and Unexplained Encounters. First edition. New York: Cavendish Square, 2018.

Cita MLA (8a ed.)

Coddington, Andrew. Aliens, UFOs, and Unexplained Encounters. First edition. Cavendish Square, 2018.

Precaución: Estas citas no son 100% exactas.