Cita APA (7a ed.)

Yin, R. K. (1977). Citizen patrol projects. National Evaluation Program.

Cita Chicago Style (17a ed.)

Yin, Robert K. "Citizen Patrol Projects." National Evaluation Program 1977.

Cita MLA (9a ed.)

Yin, Robert K. "Citizen Patrol Projects." National Evaluation Program, 1977.