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Flood, Alison. “John Green: ‘Having OCD Is an Ongoing Part of My Life.’” The Guardian, 14 Oct. 2017, https://www.theguardian.com/books/2017/oct/14/john-green-turtles-all-the-way-down-ocd-interview. Accessed 9 Sept. 2026.
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"John Green." Gale Literature: Contemporary Authors, Gale, 2026. Gale Literature Resource Center, link.gale.com/apps/doc/H1000163364/LitRC?u=coal19787&sid=bookmark-LitRC&xid=917cbeb9. Accessed 2 Sept. 2026.