APA (7th ed.) Citation

Williams, F. A. (1969). A Nonlinear Diffusion Problem Relevant to Desalination by Reverse Osmosis. SIAM journal on applied mathematics, 17(1), 59-73. https://doi.org/10.1137/0117006

Chicago Style (17th ed.) Citation

Williams, F. A. "A Nonlinear Diffusion Problem Relevant to Desalination by Reverse Osmosis." SIAM Journal on Applied Mathematics 17, no. 1 (1969): 59-73. https://doi.org/10.1137/0117006.

MLA (9th ed.) Citation

Williams, F. A. "A Nonlinear Diffusion Problem Relevant to Desalination by Reverse Osmosis." SIAM Journal on Applied Mathematics, vol. 17, no. 1, 1969, pp. 59-73, https://doi.org/10.1137/0117006.