MLA

Crowley, Thomas E, and Jack Kyte. Experiments In the Purification and Characterization of Enzymes. Academic Press, 2014.

APA

Crowley, T. E, & Kyte, J. (2014). Experiments in the Purification and Characterization of Enzymes. Academic Press.

Chicago

Crowley, Thomas E., and Jack Kyte. Experiments In the Purification and Characterization of Enzymes. : Academic Press, 2014.