McGraw-Hill Companies, Ladd, E. C., & Lipset, S. M. (1975). The divided academy: Professors and politics. McGraw-Hill Book Company.
Cita Chicago Style (17a ed.)McGraw-Hill Companies, Everett Carll Ladd, y Seymour Martin Lipset. The Divided Academy: Professors and Politics. New York [i pozostałe]: McGraw-Hill Book Company, 1975.
Cita MLA (9a ed.)McGraw-Hill Companies, et al. The Divided Academy: Professors and Politics. McGraw-Hill Book Company, 1975.
Precaución: Estas citas no son 100% exactas.