APA (7th ed.) Citation

Sontag, S. (2008). On photography / Susan Sontag. Penguin.

Chicago Style (17th ed.) Citation

Sontag, Susan. On Photography / Susan Sontag. London: Penguin, 2008.

MLA (9th ed.) Citation

Sontag, Susan. On Photography / Susan Sontag. Penguin, 2008.

Warning: These citations may not always be 100% accurate.