APA (7th ed.) Citation

Coe, N., Rycroft, R., & Ernest, P. (1988). Writing skills: A problem-solving approach for upper-intermediate and more advanced students (7th printing.). Cambridge University Press.

Chicago Style (17th ed.) Citation

Coe, Norman, Robin Rycroft, and Pauline Ernest. Writing Skills: A Problem-solving Approach for Upper-intermediate and More Advanced Students. 7th printing. Cambridge [etc.]: Cambridge University Press, 1988.

MLA (9th ed.) Citation

Coe, Norman, et al. Writing Skills: A Problem-solving Approach for Upper-intermediate and More Advanced Students. 7th printing. Cambridge University Press, 1988.