APA (7th ed.) Citation

Hart, M. L., Eagles, B. M., & Howorth, L. (1989). The blues: A bibliographical guide. Garland Pub..

Chicago Style (17th ed.) Citation

Hart, Mary L., Brenda M. Eagles, and Lisa Howorth. The Blues: A Bibliographical Guide. New York: Garland Pub., 1989.

MLA (9th ed.) Citation

Hart, Mary L., et al. The Blues: A Bibliographical Guide. Garland Pub., 1989.