APA (7th ed.) Citation

Keegan, D. (1996). Foundations of distance education (3. ed.). Routledge.

Chicago Style (17th ed.) Citation

Keegan, Desmond. Foundations of Distance Education. 3. ed. London [u.a.]: Routledge, 1996.

MLA (9th ed.) Citation

Keegan, Desmond. Foundations of Distance Education. 3. ed. Routledge, 1996.