APA (7th ed.) Citation

Abdallah, Y. A. G., & unknown. (1976). Tooth tip losses in external gear pumps.

Chicago Style (17th ed.) Citation

Abdallah, Yousef A. Ghaffar, and unknown. Tooth Tip Losses in External Gear Pumps. 1976.

MLA (9th ed.) Citation

Abdallah, Yousef A. Ghaffar, and unknown. Tooth Tip Losses in External Gear Pumps. 1976.

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