APA (7th ed.) Citation

Blaxter, L., Hughes, C., & Tight, M. (2001). How to Research (2nd ed.).

Chicago Style (17th ed.) Citation

Blaxter, Loraine, Christina Hughes, and Malcolm Tight. How to Research. 2nd ed. Open University Press, 2001.

MLA (9th ed.) Citation

Blaxter, Loraine, et al. How to Research. 2nd ed. 2001.