Cita APA (7a ed.)

Langley, M. H. (1974). A calculus of delinquency. Univ. Microfilms.

Cita Chicago Style (17a ed.)

Langley, Michael Hogan. A Calculus of Delinquency. Ann Arbor, Mich: Univ. Microfilms, 1974.

Cita MLA (9a ed.)

Langley, Michael Hogan. A Calculus of Delinquency. Univ. Microfilms, 1974.