Collins, T., & Maples, M. J. (2010). Time zones. Heinle, Cengage Learning.
Chicago Style (17th ed.) CitationCollins, Tim, and Mary Jane Maples. Time Zones. Boston, MA: Heinle, Cengage Learning, 2010.
MLA (9th ed.) CitationCollins, Tim, and Mary Jane Maples. Time Zones. Heinle, Cengage Learning, 2010.