APA (7th ed.) Citation

Gliese, W., Murray, C. A., & Tucker, R. H. (1974). New problems in astrometry. Reidel.

Chicago Style (17th ed.) Citation

Gliese, Wilhelm, C. Andrew Murray, and R. H. Tucker. New Problems in Astrometry. Dordrecht ; Boston: Reidel, 1974.

MLA (9th ed.) Citation

Gliese, Wilhelm, et al. New Problems in Astrometry. Reidel, 1974.