APA (7th ed.) Citation

Guirado, J. C., & Quirrenbach, A. (1995). VLBI differential astrometry of the radio sources 1928+738 and 2007+777 at 5 GHz. Astronomy and astrophysics, 293(?), .

Chicago Style (17th ed.) Citation

Guirado, Jose C., and Andreas Quirrenbach. "VLBI Differential Astrometry of the Radio Sources 1928+738 and 2007+777 at 5 GHz." Astronomy and Astrophysics 293, no. ? (1995).

MLA (9th ed.) Citation

Guirado, Jose C., and Andreas Quirrenbach. "VLBI Differential Astrometry of the Radio Sources 1928+738 and 2007+777 at 5 GHz." Astronomy and Astrophysics, vol. 293, no. ?, 1995.