APA (7th ed.) Citation

Jones C. Carolyn, Hopkins A. Andy, & Potter J. Jocelyn. (2001). Look Ahead 1. Classroom course. Workbook (12th ed.). Harlow, Longman, 2001.

Chicago Style (17th ed.) Citation

Jones C. Carolyn, Hopkins A. Andy, and Potter J. Jocelyn. Look Ahead 1. Classroom Course. Workbook. 12th ed. Harlow, Longman, 2001, 2001.

MLA (9th ed.) Citation

Jones C. Carolyn, et al. Look Ahead 1. Classroom Course. Workbook. 12th ed. Harlow, Longman, 2001, 2001.