APA (7th ed.) Citation

Whitt, P. a. (2015). Pro Freeware and Open Source Solutions for Business (1st ed. 2015.). Apress.

Chicago Style (17th ed.) Citation

Whitt, Phillip. author. Pro Freeware and Open Source Solutions for Business. 1st ed. 2015. Berkeley, CA: Apress, 2015.

MLA (9th ed.) Citation

Whitt, Phillip. author. Pro Freeware and Open Source Solutions for Business. 1st ed. 2015. Apress, 2015.