Cita APA (7th ed.)

HAGERSTRAND, T. (1973). Innovation diffusion as a spatial process. The university of Chicago.

Cita Chicago (17th ed.)

HAGERSTRAND, Torsten. Innovation Diffusion as a Spatial Process. London: The university of Chicago, 1973.

Cita MLA (9th ed.)

HAGERSTRAND, Torsten. Innovation Diffusion as a Spatial Process. The university of Chicago, 1973.