APA (7th ed.) Citation

Martindale, W. (1941). The extra pharmacopoeia (22nd ed.). Pharmaceutical Press.

Chicago Style (17th ed.) Citation

Martindale, William. The Extra Pharmacopoeia. 22nd ed. London: Pharmaceutical Press, 1941.

MLA (8th ed.) Citation

Martindale, William. The Extra Pharmacopoeia. 22nd ed. Pharmaceutical Press, 1941.

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