APA引文

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

Chicago Style (17th ed.) Citation

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

MLA引文

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

警告：這些引文格式不一定是100％准確.