Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (8th ed.)

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