Cita APA

Asimov, I. (1966). The Universe: From flat earth to Quasar. Walker.

Citación estilo Chicago

Asimov, Isaac. The Universe: From Flat Earth to Quasar. New York: Walker, 1966.

Cita MLA

Asimov, Isaac. The Universe: From Flat Earth to Quasar. Walker, 1966.

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