APA (7th ed.) Citation

Wallis, T. E. (1946). Textbook of pharmacognosy. J.&A. Churchill Ltd..

Chicago Style (17th ed.) Citation

Wallis, T. E. Textbook of Pharmacognosy. London: J.&A. Churchill Ltd., 1946.

MLA (9th ed.) Citation

Wallis, T. E. Textbook of Pharmacognosy. J.&A. Churchill Ltd., 1946.

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