Downie, M., Gray, D., & Jiménez, J. M. (1995). Freeform. 1, Workbook. Santillana.
Chicago Style (17th ed.) CitationDownie, Michael, David Gray, and Juan Manuel Jiménez. Freeform. 1, Workbook. Buenos Aires: Santillana, 1995.
MLA (9th ed.) CitationDownie, Michael, et al. Freeform. 1, Workbook. Santillana, 1995.