APA (7th ed.) Citation

Thorpe, M. (1993). Evaluation open and distance learning (2nd ed.). Longman.

Chicago Style (17th ed.) Citation

Thorpe, Mary. Evaluation Open and Distance Learning. 2nd ed. London: Longman, 1993.

MLA (9th ed.) Citation

Thorpe, Mary. Evaluation Open and Distance Learning. 2nd ed. Longman, 1993.