APA-Zitierstil (7. Ausg.)

Directory of American scholars: Ed. by Jaques Cattell Pr (7.ed.). Bowker.

Chicago-Zitierstil (17. Ausg.)

Directory of American Scholars: Ed. by Jaques Cattell Pr. 7.ed. New York: Bowker.

MLA-Zitierstil (9. Ausg.)

Directory of American Scholars: Ed. by Jaques Cattell Pr. 7.ed. Bowker.