Citazione Stile APA (7a Edizione)

Snow, T. P. (1987). Essentials of the dynamic universe: An introduction to astronomy (2nd ed.). West Pub. Co..

Citazione stile Chigago Style (17a edizione)

Snow, Theodore P. Essentials of the Dynamic Universe: An Introduction to Astronomy. 2nd ed. St. Paul: West Pub. Co., 1987.

Citatione MLA (9a ed.)

Snow, Theodore P. Essentials of the Dynamic Universe: An Introduction to Astronomy. 2nd ed. West Pub. Co., 1987.