Cita APA

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

Citación estilo Chicago

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

Cita MLA

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