APA (7th ed.) Citation

Williams, M., Ratte, L., & Andrian, R. K. (2001). Exploring world history: Ideas for teachers. Heinemann.

Chicago Style (17th ed.) Citation

Williams, Mark, Lou Ratte, and Robert K. Andrian. Exploring World History: Ideas for Teachers. Portsmouth, N.H: Heinemann, 2001.

MLA (9th ed.) Citation

Williams, Mark, et al. Exploring World History: Ideas for Teachers. Heinemann, 2001.