Cita APA (7a ed.)

Sontag, S. (1977). On Photography (NA.). Penguin Books.

Cita Chicago Style (17a ed.)

Sontag, Susan. On Photography. NA. USA: Penguin Books, 1977.

Cita MLA (9a ed.)

Sontag, Susan. On Photography. NA. Penguin Books, 1977.