APA (7th ed.) Citation

Mansfield, W., & Squibb, E. (1919). Squibb's atlas of the official drugs. Squibb.

Chicago Style (17th ed.) Citation

Mansfield, William, and E.R Squibb. Squibb's Atlas of the Official Drugs. New York: Squibb, 1919.

MLA (9th ed.) Citation

Mansfield, William, and E.R Squibb. Squibb's Atlas of the Official Drugs. Squibb, 1919.