Cita APA (7a ed.)

Haff, G. (2021). How open source ate software: Understand the open source movement and so much more (2nd ed. 2021.). Apress L. P.

Cita Chicago Style (17a ed.)

Haff, Gordon. How Open Source Ate Software: Understand the Open Source Movement and so Much More. 2nd ed. 2021. New York, New York: Apress L. P, 2021.

Cita MLA (9a ed.)

Haff, Gordon. How Open Source Ate Software: Understand the Open Source Movement and so Much More. 2nd ed. 2021. Apress L. P, 2021.