APA (7th ed.) Citation

Parvez, S., & unknown. (1998). Investigation of speech coding algorithms for voice communication through personal computers.

Chicago Style (17th ed.) Citation

Parvez, Shahid, and unknown. Investigation of Speech Coding Algorithms for Voice Communication Through Personal Computers. 1998.

MLA (9th ed.) Citation

Parvez, Shahid, and unknown. Investigation of Speech Coding Algorithms for Voice Communication Through Personal Computers. 1998.

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