APA Citation

United States. Office of Strategic Services. Research and Analysis Branch. (1945). El Salvador, Sonsonate and environs (Provisional ed.). [United States?]: Lithographed in Reproduction Branch, OSS.

Chicago Style Citation

United States. Office of Strategic Services. Research and Analysis Branch. El Salvador, Sonsonate and Environs. Provisional ed. [United States?]: Lithographed in Reproduction Branch, OSS, 1945.

MLA Citation

United States. Office of Strategic Services. Research and Analysis Branch. El Salvador, Sonsonate and Environs. Provisional ed. [United States?]: Lithographed in Reproduction Branch, OSS, 1945.

Warning: These citations may not always be 100% accurate.