Cita APA (7a ed.)

Kaufman, E. (1976). The abuse of multiple drugs: I, Definition, classification, and extent of problem. [s.n.].

Cita Chicago Style (17a ed.)

Kaufman, Edward. The Abuse of Multiple Drugs: I, Definition, Classification, and Extent of Problem. [S.l.]: [s.n.], 1976.

Cita MLA (9a ed.)

Kaufman, Edward. The Abuse of Multiple Drugs: I, Definition, Classification, and Extent of Problem. [s.n.], 1976.