Citazione Stile APA (7a Edizione)

Stany Zjednoczone. Government Printing Office & Stany Zjednoczone. Office of Naval Records and Library. (1920). The northern barrage and other mining activities. Government Printing Office.

Citazione stile Chigago Style (17a edizione)

Stany Zjednoczone. Government Printing Office e Stany Zjednoczone. Office of Naval Records and Library. The Northern Barrage and Other Mining Activities. Washington: Government Printing Office, 1920.

Citatione MLA (9a ed.)

Stany Zjednoczone. Government Printing Office e Stany Zjednoczone. Office of Naval Records and Library. The Northern Barrage and Other Mining Activities. Government Printing Office, 1920.