APA (7th ed.) Citation

Hussain, M. A., & unknown. (1997). Object modeling with conic splines.

Chicago Style (17th ed.) Citation

Hussain, Mohammed Aiyaz, and unknown. Object Modeling with Conic Splines. 1997.

MLA (9th ed.) Citation

Hussain, Mohammed Aiyaz, and unknown. Object Modeling with Conic Splines. 1997.

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