APA (7th ed.) Citation

Baade, W., & Gaposchkin, C. H. P. (1963). Evolution of stars and galaxies. Harvard University Press.

Chicago Style (17th ed.) Citation

Baade, Walter, and Cecilia Helena Payne Gaposchkin. Evolution of Stars and Galaxies. Cambridge: Harvard University Press, 1963.

MLA (8th ed.) Citation

Baade, Walter, and Cecilia Helena Payne Gaposchkin. Evolution of Stars and Galaxies. Harvard University Press, 1963.