Παραπομπή σε μορφή APA (7η εκδ.)

Martin, P. S. (2005). Twilight of the mammoths: Ice age extinctions and the rewilding of America. University of California Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Martin, Paul S. Twilight of the Mammoths: Ice Age Extinctions and the Rewilding of America. Berkeley: University of California Press, 2005.

Παραπομπή σε μορφή MLA (9th εκδ.)

Martin, Paul S. Twilight of the Mammoths: Ice Age Extinctions and the Rewilding of America. University of California Press, 2005.