APA (7th ed.) Citation

Pathria, R. K. (1974). The theory of relativity (2.ed.). Pergamon Pr.

Chicago Style (17th ed.) Citation

Pathria, Raj K. The Theory of Relativity. 2.ed. Oxford: Pergamon Pr, 1974.

MLA (9th ed.) Citation

Pathria, Raj K. The Theory of Relativity. 2.ed. Pergamon Pr, 1974.