APA (7th ed.) Citation

Al-Abdul Wahab, H., & unknown. (1998). Performance-based characterization of Arab Asphalt.

Chicago Style (17th ed.) Citation

Al-Abdul Wahab, H.I, and unknown. Performance-based Characterization of Arab Asphalt. 1998.

MLA (9th ed.) Citation

Al-Abdul Wahab, H.I, and unknown. Performance-based Characterization of Arab Asphalt. 1998.

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