APA (7th ed.) Citation

Boswell, R. (2008). The half-known world: On writing fiction. Graywolf.

Chicago Style (17th ed.) Citation

Boswell, Robert. The Half-known World: On Writing Fiction. Saint Paul, Minn. ; London: Graywolf, 2008.

MLA (9th ed.) Citation

Boswell, Robert. The Half-known World: On Writing Fiction. Graywolf, 2008.