Cita APA (7a ed.)

Petkov, V. (2005). Relativity and the nature of spacetime. Springer-Verlag.

Cita Chicago Style (17a ed.)

Petkov, Vesselin. Relativity and the Nature of Spacetime. Berlin, Heidelberg: Springer-Verlag, 2005.

Cita MLA (8a ed.)

Petkov, Vesselin. Relativity and the Nature of Spacetime. Springer-Verlag, 2005.