Halpern, P. (2004). The great beyond: Higher dimensions, parallel universes, and the extraordinary search for a theory of everything. John Wiley & Sons.
Cita Chicago Style (17a ed.)Halpern, Paul. The Great Beyond: Higher Dimensions, Parallel Universes, and the Extraordinary Search for a Theory of Everything. Hoboken, N.J.: John Wiley & Sons, 2004.
Cita MLA (9a ed.)Halpern, Paul. The Great Beyond: Higher Dimensions, Parallel Universes, and the Extraordinary Search for a Theory of Everything. John Wiley & Sons, 2004.
Precaución: Estas citas no son 100% exactas.