APA (7th ed.) Citation

Akin, I. L., & unknown. (1993). Design of an echo canceller for acoustic halls.

Chicago Style (17th ed.) Citation

Akin, Ilke Levent, and unknown. Design of an Echo Canceller for Acoustic Halls. 1993.

MLA (9th ed.) Citation

Akin, Ilke Levent, and unknown. Design of an Echo Canceller for Acoustic Halls. 1993.

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