APA-viite (7. p.)

(1998). The geometric universe: Science, geometry, and the work of Roger Penrose / edited by S.A. Huggett [and others].

Chicago-viite (17. p.)

The Geometric Universe: Science, Geometry, and the Work of Roger Penrose / Edited by S.A. Huggett [and Others]. 1998.

MLA-viite (9. p.)

The Geometric Universe: Science, Geometry, and the Work of Roger Penrose / Edited by S.A. Huggett [and Others]. 1998.