APA (7th ed.) Citation

Ahmad, S., & unknown. (2020). A study of the relationship between permeability and tortuosity of concrete.

Chicago Style (17th ed.) Citation

Ahmad, Shamsad, and unknown. A Study of the Relationship Between Permeability and Tortuosity of Concrete. 2020.

MLA (9th ed.) Citation

Ahmad, Shamsad, and unknown. A Study of the Relationship Between Permeability and Tortuosity of Concrete. 2020.

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