APA Citation

Purves, W., & Orians, G. (1987). Life the science of biology (2 ed.). Massachusetts :: Sinauer Associates Inc.,.

Chicago Style Citation

Purves, W., and G.H Orians. Life the Science of Biology. 2 ed. Massachusetts :: Sinauer Associates Inc.,, 1987.

MLA Citation

Purves, W., and G.H Orians. Life the Science of Biology. 2 ed. Massachusetts :: Sinauer Associates Inc.,, 1987.

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