APA (7th ed.) Citation

De Ropp, R. S. (1961). Drugs and the mind. Grove Press.

Chicago Style (17th ed.) Citation

De Ropp, Robert S. Drugs and the Mind. New York: Grove Press, 1961.

MLA (9th ed.) Citation

De Ropp, Robert S. Drugs and the Mind. Grove Press, 1961.

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