Cita APA (7a ed.)

Gay, W. G., & Schack, S. (1977). Improving patrol productivity. Improving patrol productivity.

Cita Chicago Style (17a ed.)

Gay, William G., y Stephen Schack. "Improving Patrol Productivity." Improving Patrol Productivity 1977.

Cita MLA (9a ed.)

Gay, William G., y Stephen Schack. "Improving Patrol Productivity." Improving Patrol Productivity, 1977.