APA (7th ed.) Citation

Houle, C. O. (1973). The external degree ([1st ed.].). Jossey-Bass Publishers.

Chicago Style (17th ed.) Citation

Houle, Cyril Orvin. The External Degree. [1st ed.]. San Francisco: Jossey-Bass Publishers, 1973.

MLA (9th ed.) Citation

Houle, Cyril Orvin. The External Degree. [1st ed.]. Jossey-Bass Publishers, 1973.