APA (7th ed.) Citation

Keegan, D. (1990). Foundations of distance education (2nd ed.). Routledge.

Chicago Style (17th ed.) Citation

Keegan, Desmond. Foundations of Distance Education. 2nd ed. London: Routledge, 1990.

MLA (9th ed.) Citation

Keegan, Desmond. Foundations of Distance Education. 2nd ed. Routledge, 1990.

Warning: These citations may not always be 100% accurate.