APA-Zitierstil (7. Ausg.)

Aharonian, F. A., Behera, B., Hauser, M., Pedaletti, G., Pühlhofer, G., Schwemmer, S., . . . Wagner, S. (2008). Upper limits from HESS active galactic nuclei observations in 2005-2007. Astronomy and astrophysics, 478(2), .

Chicago-Zitierstil (17. Ausg.)

Aharonian, Felix A., Bagmeet Behera, Marcus Hauser, Giovanna Pedaletti, Gerd Pühlhofer, Stephanie Schwemmer, Pak Hin Tam, und Stefan Wagner. "Upper Limits from HESS Active Galactic Nuclei Observations in 2005-2007." Astronomy and Astrophysics 478, no. 2 (2008).

MLA-Zitierstil (9. Ausg.)

Aharonian, Felix A., et al. "Upper Limits from HESS Active Galactic Nuclei Observations in 2005-2007." Astronomy and Astrophysics, vol. 478, no. 2, 2008.