Cita APA (7th ed.)

Snow, T. P. (1985). The dynamic universe: An introduction to astronomy (2nd ed.). West.

Cita Chicago (17th ed.)

Snow, Theodore Peck. The Dynamic Universe: An Introduction to Astronomy. 2nd ed. St. Paul: West, 1985.

Cita MLA (9th ed.)

Snow, Theodore Peck. The Dynamic Universe: An Introduction to Astronomy. 2nd ed. West, 1985.