APA način citiranja

Penrose, R. (2011). Roger penrose collected works. Vol.3.

Čikaški stil citiranja

Penrose, Roger. Roger Penrose Collected Works. Vol.3. Oxford Clarendon Press, Oxford, 2011.

MLA način citiranja

Penrose, Roger. Roger Penrose Collected Works. Vol.3. 2011.