Cita APA (7a ed.)

George, F. H., Humphries, J. D., & Asimov, I. (1974). The robots are coming. NCC.

Cita Chicago Style (17a ed.)

George, F. H., John D. Humphries, y Isaac Asimov. The Robots Are Coming. Manchester, England: NCC, 1974.

Cita MLA (9a ed.)

George, F. H., et al. The Robots Are Coming. NCC, 1974.