APA (7th ed.) Citation

Penrose, R. (2011). Roger Penrose: Collected works. Oxford ; New York : Oxford University Press.

Chicago Style (17th ed.) Citation

Penrose, Roger. Roger Penrose: Collected Works. Oxford ; New York : Oxford University Press, 2011.

MLA (9th ed.) Citation

Penrose, Roger. Roger Penrose: Collected Works. Oxford ; New York : Oxford University Press, 2011.

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