Manual of warning signs, lights, and devices for use in performance of work upon highways :
compiled in accordance with section 21406 of the Vehicle Code of the State of California /
State of California, Department of Public Works, Division of Highways.

APA Citation

California. Division of Highways. (1962). Manual of warning signs, lights, and devices for use in performance of work upon highways: compiled in accordance with section 21406 of the Vehicle Code of the State of California. Sacramento: Department of Public Works.

MLA Citation

California. Division of Highways. Manual of Warning Signs, Lights, And Devices for Use In Performance of Work Upon Highways: Compiled In Accordance With Section 21406 of the Vehicle Code of the State of California. Sacramento: Department of Public Works, 1962.

Warning: These citations may not always be complete (especially for serials).