APA (7th ed.) Citation

California. Board of State Harbor Commissioners for San Francisco Harbor, San Francisco Port Authority, Port of San Francisco, & United States. Bureau of the Census. (1941). Foreign trade through San Francisco customs district. Board of State Harbor Commissioners.

Chicago Style (17th ed.) Citation

California. Board of State Harbor Commissioners for San Francisco Harbor, San Francisco Port Authority, Port of San Francisco, and United States. Bureau of the Census. Foreign Trade Through San Francisco Customs District. San Francisco, Calif.: Board of State Harbor Commissioners, 1941.

MLA (9th ed.) Citation

California. Board of State Harbor Commissioners for San Francisco Harbor, et al. Foreign Trade Through San Francisco Customs District. Board of State Harbor Commissioners, 1941.