United States. Bureau of the Census. (1953). Portfolio of United States census maps, 1950: A selection of maps used in the publications of the 1950 censuses of population and agriculture. U.S. Govt. Print. Off..
Chicago Style (17th ed.) CitationUnited States. Bureau of the Census. Portfolio of United States Census Maps, 1950: A Selection of Maps Used in the Publications of the 1950 Censuses of Population and Agriculture. Washington: U.S. Govt. Print. Off., 1953.
MLA (8th ed.) CitationUnited States. Bureau of the Census. Portfolio of United States Census Maps, 1950: A Selection of Maps Used in the Publications of the 1950 Censuses of Population and Agriculture. U.S. Govt. Print. Off., 1953.
Warning: These citations may not always be 100% accurate.