APA (7th ed.) Citation
O'Connell, S. (1993). Focus on First Certificate (New Edition.). Thomas Nelson and Sons.
Chicago Style (17th ed.) Citation
O'Connell, Sue. Focus on First Certificate. New Edition. London: Thomas Nelson and Sons, 1993.
MLA (9th ed.) Citation
O'Connell, Sue. Focus on First Certificate. New Edition. Thomas Nelson and Sons, 1993.
Warning: These citations may not always be 100% accurate.