Citazione Stile APA (7a Edizione)

Hawley, J. F., & Holcomb, K. A. (2005). Foundations of modern cosmology (2nd ed.). Oxford University Press.

Citazione stile Chigago Style (17a edizione)

Hawley, John Frederick, e Katherine A. Holcomb. Foundations of Modern Cosmology. 2nd ed. Oxford ; New York: Oxford University Press, 2005.

Citatione MLA (9a ed.)

Hawley, John Frederick, e Katherine A. Holcomb. Foundations of Modern Cosmology. 2nd ed. Oxford University Press, 2005.