APA استشهاد

Williams, R., & Lansford, E. W. (1967). Encyclopedia of biochemistry. Reifold.

استشهاد بنمط شيكاغو

Williams, Roger, و Edwin W. Lansford. Encyclopedia of Biochemistry. London: Reifold, 1967.

MLA استشهاد

Williams, Roger, و Edwin W. Lansford. Encyclopedia of Biochemistry. Reifold, 1967.