APA (7th ed.) Citation

Verduin, J. R., & Clark, T. A. (1991). Distance education: The foundations of effective practice (1. ed.). Jossey-Bass.

Chicago Style (17th ed.) Citation

Verduin, John R., and Thomas A. Clark. Distance Education: The Foundations of Effective Practice. 1. ed. San Francisco u.a: Jossey-Bass, 1991.

MLA (9th ed.) Citation

Verduin, John R., and Thomas A. Clark. Distance Education: The Foundations of Effective Practice. 1. ed. Jossey-Bass, 1991.