Brockman, J. (2014). What Should We Be Worried About?: Real Scenarios that Keep Scientists up at Night (1st.). Harper.
Cita Chicago (17th ed.)Brockman, John. What Should We Be Worried About?: Real Scenarios That Keep Scientists Up at Night. 1st. London: Harper, 2014.
Cita MLA (9th ed.)Brockman, John. What Should We Be Worried About?: Real Scenarios That Keep Scientists Up at Night. 1st. Harper, 2014.
Atenció: Aquestes cites poden no estar 100% correctes.