APA (7th ed.) Citation

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.

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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