APA (7th ed.) Citation

Blaxter, L., Hughes, & Tight. (2006). How to research. McGraw-Hill.

Chicago Style (17th ed.) Citation

Blaxter, Loraine, Hughes, and Tight. How to Research. New York: McGraw-Hill, 2006.

MLA (8th ed.) Citation

Blaxter, Loraine, et al. How to Research. McGraw-Hill, 2006.