Cita APA (7a ed.)

Sontag, S. (1990). Aids and its methaphors. Penguin Books.

Cita Chicago Style (17a ed.)

Sontag, Susan. Aids and Its Methaphors. London: Penguin Books, 1990.

Cita MLA (9a ed.)

Sontag, Susan. Aids and Its Methaphors. Penguin Books, 1990.