APA (7th ed.) Citation

Theodore, A. (1988). The origins & sources of drugs. Chelsea House Publishers.

Chicago Style (17th ed.) Citation

Theodore, Alan. The Origins & Sources of Drugs. New York: Chelsea House Publishers, 1988.

MLA (8th ed.) Citation

Theodore, Alan. The Origins & Sources of Drugs. Chelsea House Publishers, 1988.

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