Deismireacht APA

Penrose, R. (2010). Cycles of time: An extraordinary new view of the universe. Vintage Books.

Chicago Edition Citation

Penrose, Roger. Cycles of Time: An Extraordinary New View of the Universe. London: Vintage Books, 2010.

Deismireacht MLA

Penrose, Roger. Cycles of Time: An Extraordinary New View of the Universe. Vintage Books, 2010.

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