APA (7th ed.) Citation

Vacca, R. T., & Vacca, J. A. L. (1989). Content area reading. Harper Collins Publ..

Chicago Style (17th ed.) Citation

Vacca, Richard T., and Jo Anne L. Vacca. Content Area Reading. Kent State: Harper Collins Publ., 1989.

MLA (9th ed.) Citation

Vacca, Richard T., and Jo Anne L. Vacca. Content Area Reading. Harper Collins Publ., 1989.