Cita APA (7a ed.)

Barrow, J. D. (1991). Theories of everything: The quest for ultimate explanation. Fawcett Columbine.

Cita Chicago Style (17a ed.)

Barrow, John D. Theories of Everything: The Quest for Ultimate Explanation. New York: Fawcett Columbine, 1991.

Cita MLA (9a ed.)

Barrow, John D. Theories of Everything: The Quest for Ultimate Explanation. Fawcett Columbine, 1991.