Cita APA

Ryden, B. S. (2017). Introduction to cosmology (Second edition.). New York, NY: Cambridge University Press.

Citación estilo Chicago

Ryden, Barbara Sue. Introduction to Cosmology. Second edition. New York, NY: Cambridge University Press, 2017.

Cita MLA

Ryden, Barbara Sue. Introduction to Cosmology. Second edition. New York, NY: Cambridge University Press, 2017.