Manual of instructions :
Department of Surveys and Plans /
State of California, California Highway Commission.

APA Citation

California. Highway Commission. (1925). Manual of instructions: Department of Surveys and Plans. California State Printing Office.

MLA Citation

California. Highway Commission. Manual of Instructions: Department of Surveys And Plans. California State Printing Office, 1925.

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