APA (7th ed.) Citation
Klemens, B. (2015). 21st century C (2nd ed.). O'Reilly Media, Inc..
Chicago Style (17th ed.) Citation
Klemens, Ben. 21st Century C. 2nd ed. Beijing: O'Reilly Media, Inc., 2015.
MLA (9th ed.) Citation
Klemens, Ben. 21st Century C. 2nd ed. O'Reilly Media, Inc., 2015.
Warning: These citations may not always be 100% accurate.