APA استشهاد

Evans, W. C. (1997). Trease and Evans Pharmacognosy . (14th ed.). Harcouont Braee &company.

استشهاد بنمط شيكاغو

Evans, William Charles. Trease and Evans Pharmacognosy . 14th ed. Singapore: Harcouont Braee &company, 1997.

MLA استشهاد

Evans, William Charles. Trease and Evans Pharmacognosy . 14th ed. Harcouont Braee &company, 1997.