Cita APA

DOWNS, J. F., & Bleibtreu, H. K. (1969). Human variation: An introduction to physical anthropology. Glencoe.

Citación estilo Chicago

DOWNS, James F., and Herman K. Bleibtreu. Human Variation: An Introduction to Physical Anthropology. California: Glencoe, 1969.

Cita MLA

DOWNS, James F., and Herman K. Bleibtreu. Human Variation: An Introduction to Physical Anthropology. Glencoe, 1969.

Warning: These citations may not always be 100% accurate.