Cita APA (7th ed.)

Hughston, L. P. (1994). An introduction to general relativity. Univ. Pr..

Cita Chicago (17th ed.)

Hughston, L. P. An Introduction to General Relativity. Cambridge: Univ. Pr., 1994.

Cita MLA (9th ed.)

Hughston, L. P. An Introduction to General Relativity. Univ. Pr., 1994.