APA (7th ed.) Citation

Snow, T. P. (1993). Essentials of the dynamic universe: An introduction to astronomy (4th ed.). West Group.

Chicago Style (17th ed.) Citation

Snow, Theodore P. Essentials of the Dynamic Universe: An Introduction to Astronomy. 4th ed. St. Paul, MN: West Group, 1993.

MLA (9th ed.) Citation

Snow, Theodore P. Essentials of the Dynamic Universe: An Introduction to Astronomy. 4th ed. West Group, 1993.