McGraw-Hill Companies, Ladd, E. C., & Lipset, S. M. (1975). The divided academy: Professors and politics. McGraw-Hill Book Company.
Citazione stile Chigago Style (17a edizione)McGraw-Hill Companies, Everett Carll Ladd, e Seymour Martin Lipset. The Divided Academy: Professors and Politics. New York [i pozostałe]: McGraw-Hill Book Company, 1975.
Citatione MLA (9a ed.)McGraw-Hill Companies, et al. The Divided Academy: Professors and Politics. McGraw-Hill Book Company, 1975.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.