Citazione Stile APA (7a Edizione)
Barrabes, C., & Hogan, P. A. (2003). Singular null hypersurfaces in general relativity: Light-like signals from violent astrophysical events. World Scientific.
Citazione stile Chigago Style (17a edizione)
Barrabes, Claude, e P. A. Hogan. Singular Null Hypersurfaces in General Relativity: Light-like Signals from Violent Astrophysical Events. River Edge, N.J.: World Scientific, 2003.
Citatione MLA (9a ed.)
Barrabes, Claude, e P. A. Hogan. Singular Null Hypersurfaces in General Relativity: Light-like Signals from Violent Astrophysical Events. World Scientific, 2003.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.