APA Citation

Hermansen, R. D. Down from the trees: Man's amazing transition from tree-dwelling ape ancestors.

Chicago Style Citation

Hermansen, Ralph D. Down From the Trees: Man's Amazing Transition From Tree-dwelling Ape Ancestors.

MLA Citation

Hermansen, Ralph D. Down From the Trees: Man's Amazing Transition From Tree-dwelling Ape Ancestors.

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