APA (7th ed.) Citation

Sewart, D., Keegan, D., & Holmberg, B. (1983). Distance education : international perspectives / edited by David Sewart, Desmond Keegan and Börje Holmberg: International perspectives. Croom Helm.

Chicago Style (17th ed.) Citation

Sewart, David, Desmond Keegan, and Börje Holmberg. Distance Education : International Perspectives / Edited by David Sewart, Desmond Keegan and Börje Holmberg: International Perspectives. London: Croom Helm, 1983.

MLA (9th ed.) Citation

Sewart, David, et al. Distance Education : International Perspectives / Edited by David Sewart, Desmond Keegan and Börje Holmberg: International Perspectives. Croom Helm, 1983.

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