APA (7th ed.) Citation
Coombe, C., Davidson, P., & O'Sullivan, B. (2013). <The> Cambridge guide to second language assessment. Cambridge University Press.
Chicago Style (17th ed.) Citation
Coombe, Christine, Peter Davidson, and Barry O'Sullivan. <The> Cambridge Guide to Second Language Assessment. New York: Cambridge University Press, 2013.
MLA (9th ed.) Citation
Coombe, Christine, et al. <The> Cambridge Guide to Second Language Assessment. Cambridge University Press, 2013.
Warning: These citations may not always be 100% accurate.