APA (7th ed.) Citation

Jan, S. U. (2017). An Improved Lightweight Privacy Preserving Authentication Scheme for SIP-Based-VoIP Using Smart Card.

Chicago Style (17th ed.) Citation

Jan, Saeed Ullah. An Improved Lightweight Privacy Preserving Authentication Scheme for SIP-Based-VoIP Using Smart Card. 2017.

MLA (9th ed.) Citation

Jan, Saeed Ullah. An Improved Lightweight Privacy Preserving Authentication Scheme for SIP-Based-VoIP Using Smart Card. 2017.

Warning: These citations may not always be 100% accurate.