Cita APA (7a ed.)
Hermann-Josef Röser, K. M. The Radio Galaxy Messier 87: Proceedings of a Workshop Held at Ringberg Castle, Tegernsee, Germany, 15.19 September 1997. Springer.
Cita estilo Chicago (17a ed.)
Hermann-Josef Röser, Klaus Meisenheimer. The Radio Galaxy Messier 87: Proceedings of a Workshop Held at Ringberg Castle, Tegernsee, Germany, 15.19 September 1997. Berlín, Alemania: Springer.
Cita MLA (9a ed.)
Hermann-Josef Röser, Klaus Meisenheimer. The Radio Galaxy Messier 87: Proceedings of a Workshop Held at Ringberg Castle, Tegernsee, Germany, 15.19 September 1997. Springer.
Precaución: Estas citas no son 100% exactas.