Cita APA (7th ed.)

Sadava, D. E. (2008). Life, the science of biology (8th instructor's edition.). Sinauer Associates W.H. Freeman and Co.

Cita Chicago (17th ed.)

Sadava, David E. Life, the Science of Biology. 8th instructor's edition. Sunderland, MA, Gordonsville, VA: Sinauer Associates W.H. Freeman and Co, 2008.

Cita MLA (9th ed.)

Sadava, David E. Life, the Science of Biology. 8th instructor's edition. Sinauer Associates W.H. Freeman and Co, 2008.