APA (7th ed.) Citation

Case, D., Davey, J., & Milne, J. (1982). Developing writing skills in english: Workbook. Heinemann Educational Books.

Chicago Style (17th ed.) Citation

Case, Dough, John Davey, and John Milne. Developing Writing Skills in English: Workbook. Londres: Heinemann Educational Books, 1982.

MLA (9th ed.) Citation

Case, Dough, et al. Developing Writing Skills in English: Workbook. Heinemann Educational Books, 1982.