APA Style

Bettelheim, F, A. et al (2007). Introduction to general, organic, and biochemistry 8th edition (Eighth edition). Belmont, CA: Thomson Brooks/Cole.

MLA Style

Bettelheim, Frederick, A.. et al. "Introduction to general, organic, and biochemistry 8th edition". Eighth edition Belmont, CA: Thomson Brooks/Cole, 2007. .