APA (7th ed.) Citation

Awadalla, N. S., Hanna, M. A., Saad, A. S., & Morcos, A. B. Study of magnetic activity and period variations of TZ Bootis system.

Chicago Style (17th ed.) Citation

Awadalla, N. S., M. A. Hanna, A. S. Saad, and A. B. Morcos. Study of Magnetic Activity and Period Variations of TZ Bootis System.

MLA (9th ed.) Citation

Awadalla, N. S., et al. Study of Magnetic Activity and Period Variations of TZ Bootis System.

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