APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (8th ed.) Citation

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