Cita APA (7th ed.)

Ferguson, K. (1996). Prisons of light: Black holes. Cambridge University.

Cita Chicago (17th ed.)

Ferguson, Kitty. Prisons of Light: Black Holes. Cambridge: Cambridge University, 1996.

Cita MLA (9th ed.)

Ferguson, Kitty. Prisons of Light: Black Holes. Cambridge University, 1996.