APA (7th ed.) Citation

Vacca, R. T., & Vacca, J. A. L. (1999). Content area reading: Literacy and learning accross the curriculum (6th ed.). Longman.

Chicago Style (17th ed.) Citation

Vacca, Richard T., and Jo Anne L. Vacca. Content Area Reading: Literacy and Learning Accross the Curriculum. 6th ed. New York: Longman, 1999.

MLA (9th ed.) Citation

Vacca, Richard T., and Jo Anne L. Vacca. Content Area Reading: Literacy and Learning Accross the Curriculum. 6th ed. Longman, 1999.