APA (7th ed.) Citation

Holmberg, B. (1989). Theory and practice of distance education / Börje Holmberg. Routledge.

Chicago Style (17th ed.) Citation

Holmberg, Börje. Theory and Practice of Distance Education / Börje Holmberg. London: Routledge, 1989.

MLA (9th ed.) Citation

Holmberg, Börje. Theory and Practice of Distance Education / Börje Holmberg. Routledge, 1989.

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