Cita APA

Ferguson, K. (1992). Stephen Hawking: Quest for a theory of everything. Bantam Books.

Citación estilo Chicago

Ferguson, Kitty. Stephen Hawking: Quest for a Theory of Everything. London: Bantam Books, 1992.

Cita MLA

Ferguson, Kitty. Stephen Hawking: Quest for a Theory of Everything. Bantam Books, 1992.