APA (7th ed.) Citation

Abbs, B., & Freebairn, I. (1996). Blueprint one: Students' book. Longman.

Chicago Style (17th ed.) Citation

Abbs, Brian, and Ingrid Freebairn. Blueprint One: Students' Book. Harlow, Essex: Longman, 1996.

MLA (9th ed.) Citation

Abbs, Brian, and Ingrid Freebairn. Blueprint One: Students' Book. Longman, 1996.