Tietueen sitaatit

APA-viite (7. p.)
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..
Chicago-viite (17. p.)
Eckart, Andreas, Rainer Schödel, ja 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.
MLA-viite (9. p.)
Eckart, Andreas, et al. The Black Hole at the Center of the Milky Way. Imperial College Press ; Distributed by World Scientific Pub. Co., 2005.
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