APA (7th ed.) Citation
Watkins, F. C., Dillingham, W. B., & Hiers, J. (1985). Practical English Workbook For Canadians. Nelson Canada.
Chicago Style (17th ed.) Citation
Watkins, Floyd C., William B. Dillingham, and JohnT Hiers. Practical English Workbook For Canadians. Ontario: Nelson Canada, 1985.
MLA (9th ed.) Citation
Watkins, Floyd C., et al. Practical English Workbook For Canadians. Nelson Canada, 1985.
Warning: These citations may not always be 100% accurate.