APA (7th ed.) Citation

ebrary, Inc, Tschofenig, H., & Schulzrinne, H. (2013). Internet protocol-based emergency services. John Wiley & Sons Inc..

Chicago Style (17th ed.) Citation

ebrary, Inc, Hannes Tschofenig, and Henning Schulzrinne. Internet Protocol-based Emergency Services. Chichester, West Sussex: John Wiley & Sons Inc., 2013.

MLA (9th ed.) Citation

ebrary, Inc, et al. Internet Protocol-based Emergency Services. John Wiley & Sons Inc., 2013.