Cita APA (7th ed.)
Haller, S. F. (2002). Apocalypse soon?: Wagering on warnings of global catastrophe. McGill-Queen's University Press.
Cita Chicago (17th ed.)
Haller, Stephen F. Apocalypse Soon?: Wagering on Warnings of Global Catastrophe. Montreal: McGill-Queen's University Press, 2002.
Cita MLA (9th ed.)
Haller, Stephen F. Apocalypse Soon?: Wagering on Warnings of Global Catastrophe. McGill-Queen's University Press, 2002.
Atenció: Aquestes cites poden no estar 100% correctes.