United States. Dept. of State. (1957). North Atlantic Treaty Organization: Its development and significance. U.S. Government Printing Office.
Citação do estilo Chicago (17ª ed.)United States. Dept. of State. North Atlantic Treaty Organization: Its Development and Significance. Washington, D.C: U.S. Government Printing Office, 1957.
Citação MLA (9ª ed.)United States. Dept. of State. North Atlantic Treaty Organization: Its Development and Significance. U.S. Government Printing Office, 1957.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.