Cita APA (7a ed.)

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.

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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