APA (7th ed.) Citation
O'Connell, S. (1992). Focus on Advanced English. Cassette 2. HarperCollins Publishers Ltd.
Chicago Style (17th ed.) Citation
O'Connell, Sue. Focus on Advanced English. Cassette 2. Walton-on-Thames: HarperCollins Publishers Ltd, 1992.
MLA (9th ed.) Citation
O'Connell, Sue. Focus on Advanced English. Cassette 2. HarperCollins Publishers Ltd, 1992.
Warning: These citations may not always be 100% accurate.