Gaya APA

Barber, E, W., Barber, P, T. (2004). When They Severed Earth From Sky : How the Human Mind Shapes Myth (1). : Princeton University Press.

Gaya MLA

Barber, Elizabeth, Wayland., Barber, Paul, T.. "When They Severed Earth From Sky : How the Human Mind Shapes Myth". 1 : Princeton University Press, 2004. Commentary.