APA (7th ed.) Citation

Abbs, B., & Freebairn, I. (1993). Blueprint two: Workbook (1st ed., 6th impression.). Longman.

Chicago Style (17th ed.) Citation

Abbs, Brian, and Ingrid Freebairn. Blueprint Two: Workbook. 1st ed., 6th impression. Harlow, essex: Longman, 1993.

MLA (9th ed.) Citation

Abbs, Brian, and Ingrid Freebairn. Blueprint Two: Workbook. 1st ed., 6th impression. Longman, 1993.