APA Edition Citation

E Varro Tyler & P Edward Claus. (1971). Pharmacognosy. Lea & Befiger.

Chicago Edition Citation

E Varro Tyler and P Edward Claus. Pharmacognosy. Lea & Befiger, 1971.

MLA Edition Citation

E Varro Tyler and P Edward Claus. Pharmacognosy. Lea & Befiger, 1971.

Warning: These citations may not always be 100% accurate.