APA

U.S. Citizenship and Immigration Services, .The citizen's almanac: fundamental documents, symbols, and anthems of the United States. [Washington, D.C.]: U.S. Department of Homeland Security, U.S. Citizenship and Immigration Services, Office of Citizenship.

Chicago

U.S. Citizenship and Immigration Services, .The citizen's almanac: fundamental documents, symbols, and anthems of the United States. [Washington, D.C.]: U.S. Department of Homeland Security, U.S. Citizenship and Immigration Services, Office of Citizenship.

Harvard

U.S. Citizenship and Immigration Services, .The citizen's almanac: fundamental documents, symbols, and anthems of the United States. [Washington, D.C.]: U.S. Department of Homeland Security, U.S. Citizenship and Immigration Services, Office of Citizenship.

MLA

U.S. Citizenship and Immigration Services, .[Washington, D.C.]: U.S. Department of Homeland Security, U.S. Citizenship and Immigration Services, Office of Citizenship. .