APA (7th ed.) Citation

Estados Unidos. (1887). Official congressional directory. United States Government Printing Office.

Chicago Style (17th ed.) Citation

Estados Unidos. Official Congressional Directory. Washington: United States Government Printing Office, 1887.

MLA (9th ed.) Citation

Estados Unidos. Official Congressional Directory. United States Government Printing Office, 1887.

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