Cita APA (7a ed.)

Heller, N. B. (1975). Operation identification projects: Assessment of effectiveness. National Evaluation Program.

Cita Chicago Style (17a ed.)

Heller, Nelson B. "Operation Identification Projects: Assessment of Effectiveness." National Evaluation Program 1975.

Cita MLA (8a ed.)

Heller, Nelson B. "Operation Identification Projects: Assessment of Effectiveness." National Evaluation Program, 1975.