Cita APA (7a ed.)

Huxley, A. (1974). The doors of perception and heaven: And hell. Penguin.

Cita Chicago Style (17a ed.)

Huxley, Aldous. The Doors of Perception and Heaven: And Hell. Harmonds-: Penguin, 1974.

Cita MLA (9a ed.)

Huxley, Aldous. The Doors of Perception and Heaven: And Hell. Penguin, 1974.