APA (7th ed.) Citation

Milne, E. A. (1934). Relativity, gravitation and world-structure. Oxford University Press.

Chicago Style (17th ed.) Citation

Milne, Edward Arthur. Relativity, Gravitation and World-structure. London, etc.: Oxford University Press, 1934.

MLA (9th ed.) Citation

Milne, Edward Arthur. Relativity, Gravitation and World-structure. Oxford University Press, 1934.