APA (7th ed.) Citation

Badr, A. A. On the numerical treatment of the contact problem. Wiley.

Chicago Style (17th ed.) Citation

Badr, Abdallah A. On the Numerical Treatment of the Contact Problem. Wiley.

MLA (9th ed.) Citation

Badr, Abdallah A. On the Numerical Treatment of the Contact Problem. Wiley.

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