APA (7th ed.) Citation

Schwenk, J., & Schwenk, J. C. (2010). Microsoft Excel 2010: Das Handbuch (1st edition.). Microsoft Press.

Chicago Style (17th ed.) Citation

Schwenk, Jürgen, and Jürgen Contributor Schwenk. Microsoft Excel 2010: Das Handbuch. 1st edition. [Place of publication not identified]: Microsoft Press, 2010.

MLA (9th ed.) Citation

Schwenk, Jürgen, and Jürgen Contributor Schwenk. Microsoft Excel 2010: Das Handbuch. 1st edition. Microsoft Press, 2010.