APA-Zitierstil (7. Ausg.)

Hardy, G. J., & Robinson, J. S. (1996). Subject guide to U.S. government reference sources (2. ed.). Libraries Unlimited.

Chicago-Zitierstil (17. Ausg.)

Hardy, Gayle J., und Judith Schiek Robinson. Subject Guide to U.S. Government Reference Sources. 2. ed. Englewood, Colo: Libraries Unlimited, 1996.

MLA-Zitierstil (9. Ausg.)

Hardy, Gayle J., und Judith Schiek Robinson. Subject Guide to U.S. Government Reference Sources. 2. ed. Libraries Unlimited, 1996.