APA

Ladd E. C., Lipset S. M. & Carnegie Commission on Higher Education. (1975). The divided academy: professors and politics. New York: McGraw-Hill.

Chicago

Ladd Everett Carll, Lipset Seymour Martin and Carnegie Commission on Higher Education. 1975. The divided academy: professors and politics. New York: McGraw-Hill.

Harvard

Ladd E. C., Lipset S. M. and Carnegie Commission on Higher Education. (1975). The divided academy: professors and politics. New York: McGraw-Hill.

MLA

Ladd Everett Carll, Lipset Seymour Martin and Carnegie Commission on Higher Education. The divided academy: professors and politics. New York: McGraw-Hill. 1975.