APA (7th ed.) Citation

Thorpe, M., & Grugeon, D. (1994). Open learning in the mainstream. Longman.

Chicago Style (17th ed.) Citation

Thorpe, Mary, and David Grugeon. Open Learning in the Mainstream. Harlow: Longman, 1994.

MLA (9th ed.) Citation

Thorpe, Mary, and David Grugeon. Open Learning in the Mainstream. Longman, 1994.