APA (7th ed.) Citation

Hasan, M. M., Lim, H. J., Ng, W. C., & Shahid, M. S. (1998). Smart telephone design - caller identification and answering machine. IEEE.

Chicago Style (17th ed.) Citation

Hasan, Md. Mahmud, Hooi Jiun Lim, Wei Chuen Ng, and Md. Shahjahan Shahid. Smart Telephone Design - Caller Identification and Answering Machine. IEEE, 1998.

MLA (9th ed.) Citation

Hasan, Md. Mahmud, et al. Smart Telephone Design - Caller Identification and Answering Machine. IEEE, 1998.