Cita APA (7a ed.)

U.S. Coast and Geodetic Survey. (1945). Spokane (X-2) sectional aeronautical chart. U. S. Coast and Geodetic Survey.

Cita Chicago Style (17a ed.)

U.S. Coast and Geodetic Survey. Spokane (X-2) Sectional Aeronautical Chart. Washington, D.C.: U. S. Coast and Geodetic Survey, 1945.

Cita MLA (8a ed.)

U.S. Coast and Geodetic Survey. Spokane (X-2) Sectional Aeronautical Chart. U. S. Coast and Geodetic Survey, 1945.

Precaución: Estas citas no son 100% exactas.