Shipman, J. T., Wilson, J. D., & Todd, A. W. (2009). An introduction to physical science (12th edition.). Houghton Mifflin.
Cita Chicago Style (17a ed.)Shipman, James T., Jerry D. Wilson, y Aaron W. Todd. An Introduction to Physical Science. 12th edition. Boston: Houghton Mifflin, 2009.
Cita MLA (9a ed.)Shipman, James T., et al. An Introduction to Physical Science. 12th edition. Houghton Mifflin, 2009.
Precaución: Estas citas no son 100% exactas.