Cita APA (7a ed.)

Theis, P. A., & Henshaw, E. L. (1973). Who's who in American politics: A biographical directory of United States political leaders (Ed. 1973-1974, 4th ed.). Xerox Education Companies.

Cita Chicago Style (17a ed.)

Theis, Paul A., y Edmund Lee Henshaw. Who's Who in American Politics: A Biographical Directory of United States Political Leaders. Ed. 1973-1974, 4th ed. Lexington: Xerox Education Companies, 1973.

Cita MLA (9a ed.)

Theis, Paul A., y Edmund Lee Henshaw. Who's Who in American Politics: A Biographical Directory of United States Political Leaders. Ed. 1973-1974, 4th ed. Xerox Education Companies, 1973.