APA (7th ed.) Citation

Barrow, J. D. (1991). Theories of everything : the quest for ultimate explanation / John D. Barrow: The quest for ultimate explanation. Clarendon.

Chicago Style (17th ed.) Citation

Barrow, John D. Theories of Everything : The Quest for Ultimate Explanation / John D. Barrow: The Quest for Ultimate Explanation. Oxford: Clarendon, 1991.

MLA (9th ed.) Citation

Barrow, John D. Theories of Everything : The Quest for Ultimate Explanation / John D. Barrow: The Quest for Ultimate Explanation. Clarendon, 1991.

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