APA (7th ed.) Citation

O'Connell S. Sue, Foley M. Mark, & Whitehead R. Russell. (2001). Focus on Advanced English C.A. E: Revised and Updated (6-th ed.). Longman, 2001.

Chicago Style (17th ed.) Citation

O'Connell S. Sue, Foley M. Mark, and Whitehead R. Russell. Focus on Advanced English C.A. E: Revised and Updated. 6-th ed. Longman, 2001, 2001.

MLA (9th ed.) Citation

O'Connell S. Sue, et al. Focus on Advanced English C.A. E: Revised and Updated. 6-th ed. Longman, 2001, 2001.