Tyler, V. E., Brady, L. R., Robbers, J. E., & Claus, E. P. (1976). Pharmacognosy (7th ed.). Lea & Febiger.
Chicago Style (17th ed.) CitationTyler, Varro E., Lynn R. Brady, James E. Robbers, and Edward P. Claus. Pharmacognosy. 7th ed. Philadelphia: Lea & Febiger, 1976.
MLA (9th ed.) CitationTyler, Varro E., et al. Pharmacognosy. 7th ed. Lea & Febiger, 1976.
Warning: These citations may not always be 100% accurate.