APA (7th ed.) Citation

Sontag, S. (1978). Illness as Metaphor. Penguin Books.

Chicago Style (17th ed.) Citation

Sontag, Susan. Illness as Metaphor. Penguin Books, 1978.

MLA (9th ed.) Citation

Sontag, Susan. Illness as Metaphor. Penguin Books, 1978.

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