Cita APA (7a ed.)

Cooper, K. (2019). The contact paradox: Challenging our assumptions in the search for extraterrestrial intelligence. Bloomsbury Sigma.

Cita Chicago Style (17a ed.)

Cooper, Keith. The Contact Paradox: Challenging Our Assumptions in the Search for Extraterrestrial Intelligence. London: Bloomsbury Sigma, 2019.

Cita MLA (8a ed.)

Cooper, Keith. The Contact Paradox: Challenging Our Assumptions in the Search for Extraterrestrial Intelligence. Bloomsbury Sigma, 2019.

Precaución: Estas citas no son 100% exactas.