APA استشهاد

Davies, P. (1995). About time: Einstein's unfinished revolutions.

استشهاد بنمط شيكاغو

Davies, Paul. About Time: Einstein's Unfinished Revolutions. Viking Books India, New Delhi, 1995.

MLA استشهاد

Davies, Paul. About Time: Einstein's Unfinished Revolutions. 1995.