Gaya APA

Long, J, W. (1988). The Essential Guide to Prescription Drugs, 1988 Everything You Need to Know for Safe Drug Use (Third Edition). Canada: Harper & Row Publishers.

Gaya MLA

Long, James, W. "The Essential Guide to Prescription Drugs, 1988 Everything You Need to Know for Safe Drug Use". Third Edition Canada: Harper & Row Publishers, 1988. Text.