APA (7th ed.) Citation

Obenda, D., Hollinger, L., Thompson, C., & Bull, P. (2004). Academic word power. Thomson/Heinle.

Chicago Style (17th ed.) Citation

Obenda, Donna, Lisa Hollinger, Celia Thompson, and Pat Bull. Academic Word Power. Boston: Thomson/Heinle, 2004.

MLA (9th ed.) Citation

Obenda, Donna, et al. Academic Word Power. Thomson/Heinle, 2004.