APA (7th ed.) Citation

Ahmed, U., Crary, S. F., & Coates, G. R. (1991). Permeability estimation: The various sources and their interrelationships. Journal of Petroleum Technology, 43, 578. https://doi.org/10.2118/19604-PA

Chicago Style (17th ed.) Citation

Ahmed, Usman, S. F. Crary, and G. R. Coates. "Permeability Estimation: The Various Sources and Their Interrelationships." Journal of Petroleum Technology 43 (1991): 578. https://doi.org/10.2118/19604-PA.

MLA (9th ed.) Citation

Ahmed, Usman, et al. "Permeability Estimation: The Various Sources and Their Interrelationships." Journal of Petroleum Technology, vol. 43, 1991, p. 578, https://doi.org/10.2118/19604-PA.