APA (7th ed.) Citation
O'Connell, S. (1992). Focus on Advanced English. Teacher's Book. Thomas Nelson and Sons.
Chicago Style (17th ed.) Citation
O'Connell, Sue. Focus on Advanced English. Teacher's Book. London: Thomas Nelson and Sons, 1992.
MLA (9th ed.) Citation
O'Connell, Sue. Focus on Advanced English. Teacher's Book. Thomas Nelson and Sons, 1992.
Warning: These citations may not always be 100% accurate.