APA (7th ed.) Citation

Al-Abdul Wahab, H., & unknown. (1999). Characterization of polymer modified Gulf asphalts.

Chicago Style (17th ed.) Citation

Al-Abdul Wahab, H.I, and unknown. Characterization of Polymer Modified Gulf Asphalts. 1999.

MLA (9th ed.) Citation

Al-Abdul Wahab, H.I, and unknown. Characterization of Polymer Modified Gulf Asphalts. 1999.

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