APA (7th ed.) Citation

Winter, R. (1992). Look your best with Excel 4 for Windows. Que.

Chicago Style (17th ed.) Citation

Winter, Rick. Look Your Best with Excel 4 for Windows. Carmel, Ind: Que, 1992.

MLA (9th ed.) Citation

Winter, Rick. Look Your Best with Excel 4 for Windows. Que, 1992.