APA (7th ed.) Citation

Roll of Ipsden, E. R. (1937). Elements of economic theory. H. Milford, Oxford university press.

Chicago Style (17th ed.) Citation

Roll of Ipsden, Eric Roll. Elements of Economic Theory. London: H. Milford, Oxford university press, 1937.

MLA (8th ed.) Citation

Roll of Ipsden, Eric Roll. Elements of Economic Theory. H. Milford, Oxford university press, 1937.