Cita APA (7a ed.)

Air Quality Workshop Washington, D.C., & National Research Council (U.S.). Highway Research Board. Advisory Committee on Highways and Air Quality. (1973). Highways and air quality. National Research Council, Highway Research Board.

Cita Chicago Style (17a ed.)

Air Quality Workshop Washington, D.C., y National Research Council (U.S.). Highway Research Board. Advisory Committee on Highways and Air Quality. Highways and Air Quality. Washington, D.C: National Research Council, Highway Research Board, 1973.

Cita MLA (9a ed.)

Air Quality Workshop Washington, D.C., y National Research Council (U.S.). Highway Research Board. Advisory Committee on Highways and Air Quality. Highways and Air Quality. National Research Council, Highway Research Board, 1973.