APA (7th ed.) Citation

Ruff, T. P., & Nelson, J. T. (1997). Classroom-ready activities for teaching history and geography in grades 7-12. Allyn and Bacon.

Chicago Style (17th ed.) Citation

Ruff, Thomas P., and Jennifer T. Nelson. Classroom-ready Activities for Teaching History and Geography in Grades 7-12. Boston: Allyn and Bacon, 1997.

MLA (9th ed.) Citation

Ruff, Thomas P., and Jennifer T. Nelson. Classroom-ready Activities for Teaching History and Geography in Grades 7-12. Allyn and Bacon, 1997.