APA (7th ed.) Citation

Sontag, S. (1991). Styles of radical will. Anchor [etc.].

Chicago Style (17th ed.) Citation

Sontag, Susan. Styles of Radical Will. New York [etc.]: Anchor [etc.], 1991.

MLA (9th ed.) Citation

Sontag, Susan. Styles of Radical Will. Anchor [etc.], 1991.