Cita APA (7a ed.)

(1948). MANUAL on uniform traffic control devices for streets and highways. Public Roads Administration.

Cita Chicago Style (17a ed.)

MANUAL on Uniform Traffic Control Devices for Streets and Highways. Washington: Public Roads Administration, 1948.

Cita MLA (9a ed.)

MANUAL on Uniform Traffic Control Devices for Streets and Highways. Public Roads Administration, 1948.