Cita APA (7a ed.)

Hägerstrand, T., & Pred, A. (1981). Space and time in geography: Essays dedicated to Torsten Hägerstrand. CWK Gleerup.

Cita Chicago Style (17a ed.)

Hägerstrand, Torsten, y Allan Pred. Space and Time in Geography: Essays Dedicated to Torsten Hägerstrand. Lund, Sweden: CWK Gleerup, 1981.

Cita MLA (9a ed.)

Hägerstrand, Torsten, y Allan Pred. Space and Time in Geography: Essays Dedicated to Torsten Hägerstrand. CWK Gleerup, 1981.