Cita APA (7a ed.)

Catapult. (1998). Microsoft Excel 97 paso a paso. McGraw-Hill.

Cita Chicago Style (17a ed.)

Catapult. Microsoft Excel 97 Paso a Paso. Madrid [etc.]: McGraw-Hill, 1998.

Cita MLA (9a ed.)

Catapult. Microsoft Excel 97 Paso a Paso. McGraw-Hill, 1998.