APA (7th ed.) Citation
Abbs, B., & Freebairn, I. (1990). Blueprint One: Workbook (1. ed.). Longman.
Chicago Style (17th ed.) Citation
Abbs, Brian, and Ingrid Freebairn. Blueprint One: Workbook. 1. ed. Harlow: Longman, 1990.
MLA (9th ed.) Citation
Abbs, Brian, and Ingrid Freebairn. Blueprint One: Workbook. 1. ed. Longman, 1990.
Warning: These citations may not always be 100% accurate.