APA (7th ed.) Citation

Olsen, A. E., & Biley, P. C. (2002). Active vocabulary: General and academic words. Longman.

Chicago Style (17th ed.) Citation

Olsen, Amy E., and Patti C. Biley. Active Vocabulary: General and Academic Words. New York: Longman, 2002.

MLA (9th ed.) Citation

Olsen, Amy E., and Patti C. Biley. Active Vocabulary: General and Academic Words. Longman, 2002.