APA استشهاد

Russell, B., & Pirani, F. A. E. (1969). ABC of relativity (3rd revised ed.). Allen & Unwin.

استشهاد بنمط شيكاغو

Russell, Bertrand, و F. A. E. Pirani. ABC of Relativity. 3rd revised ed. London: Allen & Unwin, 1969.

MLA استشهاد

Russell, Bertrand, و F. A. E. Pirani. ABC of Relativity. 3rd revised ed. Allen & Unwin, 1969.