APA引文

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

Chicago Style (17th ed.) Citation

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

MLA引文

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

警告：這些引文格式不一定是100％准確.