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. United States 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: United States Govt. Print. Off, 1953.
MLA (9th 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. United States Govt. Print. Off, 1953.
Warning: These citations may not always be 100% accurate.