Cita APA

Baade, W. 1., & Payne-Gaposchkin, C. H. 1. (1963). Evolution of stars and galaxies. Cambridge, Mass.: Harvard University Press.

Citación estilo Chicago

Baade, Walter 1893-1960, y Cecilia Helena 1900-1979 Payne-Gaposchkin. Evolution of Stars and Galaxies. Cambridge, Mass.: Harvard University Press, 1963.

Cita MLA

Baade, Walter 1893-1960, y Cecilia Helena 1900-1979 Payne-Gaposchkin. Evolution of Stars and Galaxies. Cambridge, Mass.: Harvard University Press, 1963.