Cita APA (7a ed.)

Sandage, A. (1989). Atlas of Galaxies: : Useful for measuring the cosmological distance scale. National Aeronautics and Space Administration.

Cita Chicago Style (17a ed.)

Sandage, Allan. Atlas of Galaxies: : Useful for Measuring the Cosmological Distance Scale. Washington: National Aeronautics and Space Administration, 1989.

Cita MLA (9a ed.)

Sandage, Allan. Atlas of Galaxies: : Useful for Measuring the Cosmological Distance Scale. National Aeronautics and Space Administration, 1989.