European Space Agency, Perryman, M. A. C., & Battrick, B. T. The Hipparcos and Tycho catalogues: Astrometric and photometric star catalogues derived from the ESA Hipparcos space astronomy mission. European Space Agency.
Chicago-Zitierstil (17. Ausg.)European Space Agency, M. A. C. Perryman, und Bruce T. Battrick. The Hipparcos and Tycho Catalogues: Astrometric and Photometric Star Catalogues Derived from the ESA Hipparcos Space Astronomy Mission. Nordwijk: European Space Agency.
MLA-Zitierstil (9. Ausg.)European Space Agency, et al. The Hipparcos and Tycho Catalogues: Astrometric and Photometric Star Catalogues Derived from the ESA Hipparcos Space Astronomy Mission. European Space Agency.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.