APA (7th ed.) Citation

Ahmad, R., & unknown. (1988). Engineering properties and mineralogical composition of expansive clays in Al-Qatif area (K.S.A).

Chicago Style (17th ed.) Citation

Ahmad, Rafi, and unknown. Engineering Properties and Mineralogical Composition of Expansive Clays in Al-Qatif Area (K.S.A). 1988.

MLA (9th ed.) Citation

Ahmad, Rafi, and unknown. Engineering Properties and Mineralogical Composition of Expansive Clays in Al-Qatif Area (K.S.A). 1988.

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