APA (7th ed.) Citation

Walker, J. M. (1994). Principles and techniques of practical biochemistry (4th ed.). Cambridge University Press.

Chicago Style (17th ed.) Citation

Walker, John M. Principles and Techniques of Practical Biochemistry. 4th ed. Cambridge: Cambridge University Press, 1994.

MLA (9th ed.) Citation

Walker, John M. Principles and Techniques of Practical Biochemistry. 4th ed. Cambridge University Press, 1994.