Cita APA (7th ed.)

Atwater, H. A. (1979). Introduction to general relativity (2a. ed.). Pergamon.

Cita Chicago (17th ed.)

Atwater, H. A. Introduction to General Relativity. 2a. ed. Oxford: Pergamon, 1979.

Cita MLA (9th ed.)

Atwater, H. A. Introduction to General Relativity. 2a. ed. Pergamon, 1979.