APA Citation

Sandage, A., & Hubble, E. P. (1961). The Hubble atlas of galaxies. Washington: Carnegie Institution of Washington.

Chicago Style Citation

Sandage, Allan, and Edwin Powell Hubble. The Hubble Atlas of Galaxies. Washington: Carnegie Institution of Washington, 1961.

MLA Citation

Sandage, Allan, and Edwin Powell Hubble. The Hubble Atlas of Galaxies. Washington: Carnegie Institution of Washington, 1961.

Warning: These citations may not always be 100% accurate.