APA-referens (7:e uppl.)

Kingdon, J. (2003). Lowly origin: Where, when, and why our ancestors first stood up. Princeton University Press.

Chicago-referens (17:e uppl.)

Kingdon, Jonathan. Lowly Origin: Where, When, and Why Our Ancestors First Stood Up. Princeton: Princeton University Press, 2003.

MLA-referens (9:e uppl.)

Kingdon, Jonathan. Lowly Origin: Where, When, and Why Our Ancestors First Stood Up. Princeton University Press, 2003.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.