Cita APA (7a ed.)

Tinsley, B. M., & Larson, R. B. (1977). The evolution of galaxies and stellar populations. Yale University Observatory.

Cita Chicago Style (17a ed.)

Tinsley, Beatrice M., y Richard B. Larson. The Evolution of Galaxies and Stellar Populations. New Haven: Yale University Observatory, 1977.

Cita MLA (9a ed.)

Tinsley, Beatrice M., y Richard B. Larson. The Evolution of Galaxies and Stellar Populations. Yale University Observatory, 1977.