APA (7th ed.) Citation

(1968). Who's Who in American Politics: A biographical directory of United States political leaders. R. R. Bowker Company].

Chicago Style (17th ed.) Citation

Who's Who in American Politics: A Biographical Directory of United States Political Leaders. [New York: R. R. Bowker Company], 1968.

MLA (9th ed.) Citation

Who's Who in American Politics: A Biographical Directory of United States Political Leaders. R. R. Bowker Company], 1968.