Cita APA (7th ed.)

Long, J. W. (1977). The Essential Guide to Prescription Drugs. Harper & Row.

Cita Chicago (17th ed.)

Long, James W. The Essential Guide to Prescription Drugs. New York: Harper & Row, 1977.

Cita MLA (9th ed.)

Long, James W. The Essential Guide to Prescription Drugs. Harper & Row, 1977.