APA (7th ed.) Citation

Nasef, A., Azzam, A. F. A. A., & Seyam, N. Upper and Lower δij-Continuous Multifunctions. Naim Çağman.

Chicago Style (17th ed.) Citation

Nasef, Arafa, Abd-el Ftah. Abd Alla Azzam, and Nada Seyam. Upper and Lower δij-Continuous Multifunctions. Naim Çağman.

MLA (9th ed.) Citation

Nasef, Arafa, et al. Upper and Lower δij-Continuous Multifunctions. Naim Çağman.