Cita APA (7th ed.)

Eldridge, R. (1977). The shadow of the gloom-world. Gollancz.

Cita Chicago (17th ed.)

Eldridge, Roger. The Shadow of the Gloom-world. London: Gollancz, 1977.

Cita MLA (8th ed.)

Eldridge, Roger. The Shadow of the Gloom-world. Gollancz, 1977.