Cita APA (7th ed.)

Berry, A. (1977). The iron sun: Crossing the universe through black holes. Cape.

Cita Chicago (17th ed.)

Berry, Adrian. The Iron Sun: Crossing the Universe Through Black Holes. London: Cape, 1977.

Cita MLA (8th ed.)

Berry, Adrian. The Iron Sun: Crossing the Universe Through Black Holes. Cape, 1977.