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