APA-Zitierstil (7. Ausg.)

(1972). Biographical directory of the United States Executive Branch: 1774 - 1971 (2. print.). Greenwood Press.

Chicago-Zitierstil (17. Ausg.)

Biographical Directory of the United States Executive Branch: 1774 - 1971. 2. print. Westport, Conn: Greenwood Press, 1972.

MLA-Zitierstil (9. Ausg.)

Biographical Directory of the United States Executive Branch: 1774 - 1971. 2. print. Greenwood Press, 1972.