Cita APA (7a ed.)

Helbrant, M. (1981). Narcotic agent ([Repr.] New York, 1941.). Arno Pr.

Cita Chicago Style (17a ed.)

Helbrant, Maurice. Narcotic Agent. [Repr.] New York, 1941. New York: Arno Pr, 1981.

Cita MLA (9a ed.)

Helbrant, Maurice. Narcotic Agent. [Repr.] New York, 1941. Arno Pr, 1981.