Cita APA (7a ed.)

Robson, I. (1996). Active Galactic Nuclei. John Wiley & Son.

Cita Chicago Style (17a ed.)

Robson, Ian. Active Galactic Nuclei. New York: John Wiley & Son, 1996.

Cita MLA (9a ed.)

Robson, Ian. Active Galactic Nuclei. John Wiley & Son, 1996.