United States. Bureau of the Census & United States. Bureau of the Census. (1960). Historical statistics of the United States, colonial times to 1957: A Statistical abstract supplement.
Citação do estilo Chicago (17ª ed.)United States. Bureau of the Census e United States. Bureau of the Census. Historical Statistics of the United States, Colonial Times to 1957: A Statistical Abstract Supplement. [Washington, 1960.
Citação MLA (8ª ed.)United States. Bureau of the Census e United States. Bureau of the Census. Historical Statistics of the United States, Colonial Times to 1957: A Statistical Abstract Supplement. 1960.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.