APA (7th ed.) Citation

Ahmad, Z. (1978). The theory of riba. Islamic studies, 17, 171-185.

Chicago Style (17th ed.) Citation

Ahmad, Ziauddin. "The Theory of Riba." Islamic Studies 17 (1978): 171-185.

MLA (8th ed.) Citation

Ahmad, Ziauddin. "The Theory of Riba." Islamic Studies, vol. 17, 1978, pp. 171-185.

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