APA (7th ed.) Citation

Siddiqui, M. N., & unknown. (1988). NMR Used For Saudi Crude Asphaltene.

Chicago Style (17th ed.) Citation

Siddiqui, Mohammad Nahid, and unknown. NMR Used For Saudi Crude Asphaltene. 1988.

MLA (9th ed.) Citation

Siddiqui, Mohammad Nahid, and unknown. NMR Used For Saudi Crude Asphaltene. 1988.

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