Cita APA (7a ed.)
Alvarez, W. (2008). T. rex and the crater of doom. Princeton University Press.
Cita Chicago Style (17a ed.)
Alvarez, Walter. T. Rex and the Crater of Doom. Princeton, NJ: Princeton University Press, 2008.
Cita MLA (9a ed.)
Alvarez, Walter. T. Rex and the Crater of Doom. Princeton University Press, 2008.
Precaución: Estas citas no son 100% exactas.