APA (7th ed.) Citation

Blaxter, Hughes, & Tight. (2001). How to research (2nd ed.). Open University Press.

Chicago Style (17th ed.) Citation

Blaxter, Hughes, and Tight. How to Research. 2nd ed. Buckingham: Open University Press, 2001.

MLA (8th ed.) Citation

Blaxter, et al. How to Research. 2nd ed. Open University Press, 2001.