Cite

1939 Worlds Fair on San Francisco Bay.

MLA

Schmidt Litho. Co. (San Francisco, Calif.), Shawl, Nyeland & Seavey. 1939 Worlds Fair on San Francisco Bay.. c1937. https://collections.library.yale.edu/catalog/2020814.

APA, 6th edition

Schmidt Litho. Co. (San Francisco, Calif.), & Shawl, Nyeland & Seavey. (c1937)[1939 Worlds Fair on San Francisco Bay.]. https://collections.library.yale.edu/catalog/2020814.