APA (7th ed.) Citation

Houle, C. O. (1977). The external degree. Jossey-Bass Pub.

Chicago Style (17th ed.) Citation

Houle, Cyril Orvin. The External Degree. San Francisco: Jossey-Bass Pub, 1977.

MLA (9th ed.) Citation

Houle, Cyril Orvin. The External Degree. Jossey-Bass Pub, 1977.