APA (7th ed.) Citation

Al-Mustafa, R. A., & unknown. (1979). Biparabolic isoparametric shell element: (a version of Ahmad element).

Chicago Style (17th ed.) Citation

Al-Mustafa, Riyadh Ahmed, and unknown. Biparabolic Isoparametric Shell Element: (a Version of Ahmad Element). 1979.

MLA (9th ed.) Citation

Al-Mustafa, Riyadh Ahmed, and unknown. Biparabolic Isoparametric Shell Element: (a Version of Ahmad Element). 1979.

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