APA (7th ed.) Citation

Estados Unidos & Merriam, W. R. (1906). Census reports: Twelfth census of the United States, taken in the year 1900 (4th ed.). United States Census Office.

Chicago Style (17th ed.) Citation

Estados Unidos and William R. Merriam. Census Reports: Twelfth Census of the United States, Taken in the Year 1900. 4th ed. Washington: United States Census Office, 1906.

MLA (9th ed.) Citation

Estados Unidos and William R. Merriam. Census Reports: Twelfth Census of the United States, Taken in the Year 1900. 4th ed. United States Census Office, 1906.