Cita APA (7th ed.)

Price, H. H. (1940). Humes's theory of the external world. Oxford University.

Cita Chicago (17th ed.)

Price, H. H. Humes's Theory of the External World. Londres: Oxford University, 1940.

Cita MLA (9th ed.)

Price, H. H. Humes's Theory of the External World. Oxford University, 1940.