APA (7th ed.) Citation
O'Connell, S. (1992). Focus on Advanced English. C.A.E. Addison Wesley Longman Ltd.
Chicago Style (17th ed.) Citation
O'Connell, Sue. Focus on Advanced English. C.A.E. Harlow: Addison Wesley Longman Ltd, 1992.
MLA (9th ed.) Citation
O'Connell, Sue. Focus on Advanced English. C.A.E. Addison Wesley Longman Ltd, 1992.
Warning: These citations may not always be 100% accurate.