APA (7th ed.) Citation
Abbs, B., & Freebairn, I. (1989). Opening Strategies 1. Teachers Book. Workbook. Student's Book. Longman Group UK.
Chicago Style (17th ed.) Citation
Abbs, Brian, and Ingrid Freebairn. Opening Strategies 1. Teachers Book. Workbook. Student's Book. Harlow: Longman Group UK, 1989.
MLA (9th ed.) Citation
Abbs, Brian, and Ingrid Freebairn. Opening Strategies 1. Teachers Book. Workbook. Student's Book. Longman Group UK, 1989.
Warning: These citations may not always be 100% accurate.