APA Edition Citation

Colowick, S. P. E., & Kaplan, N. O. E. (1955). Preparation and assay of enzymes.

Chicago Edition Citation

Colowick, S P; Ed, and N O; Ed Kaplan. Preparation and Assay of Enzymes. New York, Academic Press, 1955.

MLA Edition Citation

Colowick, S P; Ed, and N O; Ed Kaplan. Preparation and Assay of Enzymes. 1955.