APA (7th ed.) Citation

Wielen, R., Bernstein, H., Dettbarn, C., Hering, R., Jährling, R., Lenhardt, H., & Walter, H. G. (1994). A test of preliminary HIPPARCOS parallaxes using photometric parallaxes of distant stars. Galactic and solar system optical astrometry.

Chicago Style (17th ed.) Citation

Wielen, Roland, Hans-Heinrich Bernstein, Christian Dettbarn, Roland Hering, Rainer Jährling, Helmut Lenhardt, and Hans G. Walter. "A Test of Preliminary HIPPARCOS Parallaxes Using Photometric Parallaxes of Distant Stars." Galactic and Solar System Optical Astrometry 1994.

MLA (9th ed.) Citation

Wielen, Roland, et al. "A Test of Preliminary HIPPARCOS Parallaxes Using Photometric Parallaxes of Distant Stars." Galactic and Solar System Optical Astrometry, 1994.