APA (7th ed.) Citation

Martindale, W., Reynolds, J. E. F., & Wade, A. (1977). The extra pharmacopoeia: Incorporating Squire's Companion (27th ed.). Pharmaceutical Press.

Chicago Style (17th ed.) Citation

Martindale, William, James E. F. Reynolds, and Ainley Wade. The Extra Pharmacopoeia: Incorporating Squire's Companion. 27th ed. London: Pharmaceutical Press, 1977.

MLA (9th ed.) Citation

Martindale, William, et al. The Extra Pharmacopoeia: Incorporating Squire's Companion. 27th ed. Pharmaceutical Press, 1977.