APA Citation

Gathercoal, E. N. n. 1., & Wirth, E. H. 1. (1959). Pharmacognosy (3. edition thoroughly rev. by Edward P. Claus.). Philadelphia: Lea & Febiger.

Chicago Style Citation

Gathercoal, Edmund Norris n. 1874, and Elmer Hauser 1895-1947 Wirth. Pharmacognosy. 3. edition thoroughly rev. by Edward P. Claus. Philadelphia: Lea & Febiger, 1959.

MLA Citation

Gathercoal, Edmund Norris n. 1874, and Elmer Hauser 1895-1947 Wirth. Pharmacognosy. 3. edition thoroughly rev. by Edward P. Claus. Philadelphia: Lea & Febiger, 1959.

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