APA (7th ed.) Citation

Porter, D. (2003). Check your vocabulary for academic English: A workbook for students. Bloomsbury Publishing Plc.

Chicago Style (17th ed.) Citation

Porter, David. Check Your Vocabulary for Academic English: A Workbook for Students. London: Bloomsbury Publishing Plc, 2003.

MLA (9th ed.) Citation

Porter, David. Check Your Vocabulary for Academic English: A Workbook for Students. Bloomsbury Publishing Plc, 2003.