APA (7th ed.) Citation

(1939). The Ports of San Francisco, Oakland, Alameda, Richmond, and Upper San Francisco Bay, California, Revised 1939. [s.n.].

Chicago Style (17th ed.) Citation

The Ports of San Francisco, Oakland, Alameda, Richmond, and Upper San Francisco Bay, California, Revised 1939. [Washington]: [s.n.], 1939.

MLA (9th ed.) Citation

The Ports of San Francisco, Oakland, Alameda, Richmond, and Upper San Francisco Bay, California, Revised 1939. [s.n.], 1939.