Cita APA (7th ed.)

(1930). Ways and means to traffic safety. National Conference on Street and Highway Safety.

Cita Chicago (17th ed.)

Ways and Means to Traffic Safety. Washington, D.C.: National Conference on Street and Highway Safety, 1930.

Cita MLA (9th ed.)

Ways and Means to Traffic Safety. National Conference on Street and Highway Safety, 1930.