APA استشهاد

White, A. H. (1968). Principles of biochemistry (4.).

استشهاد بنمط شيكاغو

White, Abraham; Handler. Principles of Biochemistry. 4. McGraw-Hill Book Co., London, 1968.

MLA استشهاد

White, Abraham; Handler. Principles of Biochemistry. 4. 1968.