Cita APA (7th ed.)

Clarke, A. C., & Baxter, S. (2001). The light of other days (Reprint ed.). Voyager.

Cita Chicago (17th ed.)

Clarke, Arthur C., i Stephen Baxter. The Light of Other Days. Reprint ed. London: Voyager, 2001.

Cita MLA (9th ed.)

Clarke, Arthur C., i Stephen Baxter. The Light of Other Days. Reprint ed. Voyager, 2001.