APA استشهاد

Bradley, R. S. (1999). Paleoclimatology: : reconstructing climates of the quaternary (Ed. 2.). Academic Press.

استشهاد بنمط شيكاغو

Bradley, Raymond S. Paleoclimatology: : Reconstructing Climates of the Quaternary. Ed. 2. New York: Academic Press, 1999.

MLA استشهاد

Bradley, Raymond S. Paleoclimatology: : Reconstructing Climates of the Quaternary. Ed. 2. Academic Press, 1999.