Cita APA

Kaufmann, W. J. (1988). Universe (2nd ed.). W.H. Freeman.

Citación estilo Chicago

Kaufmann, William J. Universe. 2nd ed. New York: W.H. Freeman, 1988.

Cita MLA

Kaufmann, William J. Universe. 2nd ed. W.H. Freeman, 1988.

Warning: These citations may not always be 100% accurate.