Cita APA (7th ed.)

Kenyon, I. R. (1990). General relativity. O.U. Pr..

Cita Chicago (17th ed.)

Kenyon, I. R. General Relativity. Oxford: O.U. Pr., 1990.

Cita MLA (9th ed.)

Kenyon, I. R. General Relativity. O.U. Pr., 1990.

Atenció: Aquestes cites poden no estar 100% correctes.