APA-Zitierstil (7. Ausg.)

Ryden, B. S. (2017). Introduction to cosmology (Second edition.). University Press.

Chicago-Zitierstil (17. Ausg.)

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

MLA-Zitierstil (9. Ausg.)

Ryden, Barbara Sue. Introduction to Cosmology. Second edition. University Press, 2017.