Citazione Stile APA (7a Edizione)
Eckart, A., Schödel, R., & Straubmeier, C. M. (2005). The black hole at the center of the Milky Way. Imperial College Press ; Distributed by World Scientific Pub. Co..
Citazione stile Chigago Style (17a edizione)
Eckart, Andreas, Rainer Schödel, e Christian Michael Straubmeier. The Black Hole at the Center of the Milky Way. London : Hackensack, NJ: Imperial College Press ; Distributed by World Scientific Pub. Co., 2005.
Citatione MLA (9a ed.)
Eckart, Andreas, et al. The Black Hole at the Center of the Milky Way. Imperial College Press ; Distributed by World Scientific Pub. Co., 2005.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.