APA (7th ed.) Citation

Al-Shayea, N., & unknown. (2020). Expansive characteristics of gypsiferous/anhydritic soil formations.

Chicago Style (17th ed.) Citation

Al-Shayea, NA, and unknown. Expansive Characteristics of Gypsiferous/anhydritic Soil Formations. 2020.

MLA (9th ed.) Citation

Al-Shayea, NA, and unknown. Expansive Characteristics of Gypsiferous/anhydritic Soil Formations. 2020.

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