MLA

Whitt, Phillip. Pro Freeware and Open Source Solutions for Business : Money-saving Options for Small Enterprises. Berkeley, CA: Apress L. P, 2022.

APA

Whitt, P. (2022). Pro Freeware and Open Source Solutions for Business : Money-Saving Options for Small Enterprises. Berkeley, CA: Apress L. P.

Chicago

Whitt, Phillip. Pro Freeware and Open Source Solutions for Business : Money-Saving Options for Small Enterprises. Berkeley, CA: Apress L. P, 2022.