APA (7th ed.) Citation

Martindale. (1955). The extra pharmacopceia (23rd ed.). Pharmaceutical Press.

Chicago Style (17th ed.) Citation

Martindale. The Extra Pharmacopceia. 23rd ed. London: Pharmaceutical Press, 1955.

MLA (9th ed.) Citation

Martindale. The Extra Pharmacopceia. 23rd ed. Pharmaceutical Press, 1955.

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