Cita APA (7a ed.)

Lowry, M. (1977). Under the volcano ([8th repr.].). Penguin Books.

Cita Chicago Style (17a ed.)

Lowry, Malcolm. Under the Volcano. [8th repr.]. Harmondsworth: Penguin Books, 1977.

Cita MLA (9a ed.)

Lowry, Malcolm. Under the Volcano. [8th repr.]. Penguin Books, 1977.