APA (7th ed.) Citation

Gray, N. (2008). When the Floods Came. London Review of Books, 30(17), 4.

Chicago Style (17th ed.) Citation

Gray, Norman. "When the Floods Came." London Review of Books 30, no. 17 (2008): 4.

MLA (9th ed.) Citation

Gray, Norman. "When the Floods Came." London Review of Books, vol. 30, no. 17, 2008, p. 4.