Style de citation APA (7e éd.)

Stany Zjednoczone. Government Printing Office & Stany Zjednoczone. National Bureau of Standards. (1921). War Work of the Bureau of Standards: April 1, 1921. Government Printing Office.

Style de citation Chicago (17e éd.)

Stany Zjednoczone. Government Printing Office et Stany Zjednoczone. National Bureau of Standards. War Work of the Bureau of Standards: April 1, 1921. Washington: Government Printing Office, 1921.

Style de citation MLA (9e éd.)

Stany Zjednoczone. Government Printing Office et Stany Zjednoczone. National Bureau of Standards. War Work of the Bureau of Standards: April 1, 1921. Government Printing Office, 1921.