Cita APA

Hawking, S. W. (2001). universe in a nutshell. Bantam Press.

Citación estilo Chicago

Hawking, Stephen W. Universe in a Nutshell. London: Bantam Press, 2001.

Cita MLA

Hawking, Stephen W. Universe in a Nutshell. Bantam Press, 2001.

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