APA (7th ed.) Citation

Billups, N. F., & Billups, S. M. (1995). American drug index: 1995 (39th edition.). Facts and Comparisons.

Chicago Style (17th ed.) Citation

Billups, Norman F., and Shirley M. Billups. American Drug Index: 1995. 39th edition. St. Louis: Facts and Comparisons, 1995.

MLA (8th ed.) Citation

Billups, Norman F., and Shirley M. Billups. American Drug Index: 1995. 39th edition. Facts and Comparisons, 1995.

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