Cita APA (7th ed.)

Lightman, A. P., Press, . W. H., Price, R. H., & Teukolsky, S. A. (1975). Problem book in relativity and gravitation. Princeton University Press.

Cita Chicago (17th ed.)

Lightman, Alan P., William H. Press, Richard H. Price, i Saul A. Teukolsky. Problem Book in Relativity and Gravitation. Princeton, N.J.: Princeton University Press, 1975.

Cita MLA (8th ed.)

Lightman, Alan P., et al. Problem Book in Relativity and Gravitation. Princeton University Press, 1975.

Atenció: Aquestes cites poden no estar 100% correctes.