APA ציטוט

National Research Council (U.S.). (1919). Reprint and circular series of the National Research Council. National Research Council.

Chicago Style (17th ed.) Citation

National Research Council (U.S.). Reprint and Circular Series of the National Research Council. Washington, D.C.: National Research Council, 1919.

ציטוט MLA

National Research Council (U.S.). Reprint and Circular Series of the National Research Council. National Research Council, 1919.