APA (7th ed.) Citation

Shapley, H. (1961). Galaxies (Rev. ed.). Harvard Univ. Press [u.a.].

Chicago Style (17th ed.) Citation

Shapley, Harlow. Galaxies. Rev. ed. Cambridge, Mass. [u.a.]: Harvard Univ. Press [u.a.], 1961.

MLA (9th ed.) Citation

Shapley, Harlow. Galaxies. Rev. ed. Harvard Univ. Press [u.a.], 1961.