APA (7th ed.) Citation

Goncalves, F. E., Goncalves, F. E., & Iancu, B. (2016). Building Telephony Systems with OpenSIPS: Build High-speed and Highly Scalable Telephony Systems Using OpenSIPS.

Chicago Style (17th ed.) Citation

Goncalves, Flavio E., Flavio E. Goncalves, and Bogdan-Andrei Iancu. Building Telephony Systems with OpenSIPS: Build High-speed and Highly Scalable Telephony Systems Using OpenSIPS. 2016.

MLA (9th ed.) Citation

Goncalves, Flavio E., et al. Building Telephony Systems with OpenSIPS: Build High-speed and Highly Scalable Telephony Systems Using OpenSIPS. 2016.