APA (7th ed.) Citation

Eddington, A. S. (1923). The mathematical theory of relativity. The University press.

Chicago Style (17th ed.) Citation

Eddington, Arthur Stanley. The Mathematical Theory of Relativity. Cambridge [England]: The University press, 1923.

MLA (9th ed.) Citation

Eddington, Arthur Stanley. The Mathematical Theory of Relativity. The University press, 1923.

Warning: These citations may not always be 100% accurate.