APA (7th ed.) Citation

Nunn, T. P. (1923). Relativity and gravitation: An elementary treatise upon Einstein's theory. University of London press, ltd..

Chicago Style (17th ed.) Citation

Nunn, T. Percy. Relativity and Gravitation: An Elementary Treatise upon Einstein's Theory. London: University of London press, ltd., 1923.

MLA (8th ed.) Citation

Nunn, T. Percy. Relativity and Gravitation: An Elementary Treatise upon Einstein's Theory. University of London press, ltd., 1923.

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