APA

Marin P., Cohen A. Y., . (1971). Understanding drug use: an adult's guide to drugs and the young. New York: Harper & Row.

Chicago

Marin Peter, Cohen Allan Y, . 1971. Understanding drug use: an adult's guide to drugs and the young. New York: Harper & Row.

Harvard

Marin P., Cohen A. Y., . (1971). Understanding drug use: an adult's guide to drugs and the young. New York: Harper & Row.

MLA

Marin Peter, Cohen Allan Y, . Understanding drug use: an adult's guide to drugs and the young. New York: Harper & Row. 1971.