APA (7th ed.) Citation

Winter, R., Tonkin, G., Brumbaugh, C., & Winter, P. (1992). Look your best with Excel 4 for Windows. Seven R's Publishing Company.

Chicago Style (17th ed.) Citation

Winter, Rick, Grant Tonkin, Cheryl Brumbaugh, and Patty Winter. Look Your Best with Excel 4 for Windows. Manila: Seven R's Publishing Company, 1992.

MLA (9th ed.) Citation

Winter, Rick, et al. Look Your Best with Excel 4 for Windows. Seven R's Publishing Company, 1992.