APA (7th ed.) Citation

Prats, C., & Travería, S. (1997). Excel 97 a fondo. Inforbook's.

Chicago Style (17th ed.) Citation

Prats, Carles, and Santiago Travería. Excel 97 a Fondo. Barcelona: Inforbook's, 1997.

MLA (9th ed.) Citation

Prats, Carles, and Santiago Travería. Excel 97 a Fondo. Inforbook's, 1997.

Warning: These citations may not always be 100% accurate.