APA Citation

(1973). Persons of Spanish origin in the United States: March 1972 and 1971. Wash., D. C.: G. P. O..

Chicago Style Citation

Persons of Spanish Origin in the United States: March 1972 and 1971. Wash., D. C.: G. P. O., 1973.

MLA Citation

Persons of Spanish Origin in the United States: March 1972 and 1971. Wash., D. C.: G. P. O., 1973.

Warning: These citations may not always be 100% accurate.