Cita APA (7th ed.)

National Research Council (U.S.). Highway Research Board, National Research Council (U.S.). Highway Research Board. Meeting, & National Research Council (U.S.). Highway Research Board. Committee on Night Visibility. (1967). Night visibility: 5 reports. Highway Research Board.

Cita Chicago (17th ed.)

National Research Council (U.S.). Highway Research Board, National Research Council (U.S.). Highway Research Board. Meeting, i National Research Council (U.S.). Highway Research Board. Committee on Night Visibility. Night Visibility: 5 Reports. Washington, D.C: Highway Research Board, 1967.

Cita MLA (9th ed.)

National Research Council (U.S.). Highway Research Board, et al. Night Visibility: 5 Reports. Highway Research Board, 1967.