Cita APA (7th ed.)

Gerlough, D. L., Gerlough, D. L., & Wagner, F. A. (1964). Improved criteria for traffic signals at individual intersections: Interim report. Highway Research Board.

Cita Chicago (17th ed.)

Gerlough, D. L., Daniel L. Gerlough, i Frederick A. Wagner. Improved Criteria for Traffic Signals at Individual Intersections: Interim Report. [Washington]: Highway Research Board, 1964.

Cita MLA (9th ed.)

Gerlough, D. L., et al. Improved Criteria for Traffic Signals at Individual Intersections: Interim Report. Highway Research Board, 1964.