Παραπομπή APA

Downs, R. M., Stea, D., & Boulding, K. E. (1973). Image and environment: Cognitive mapping and spatial behavior. London: Edward Arnold.

Παραπομπή Chicago Style

Downs, Roger M., David Stea, and Kenneth Ewart Boulding. Image and Environment: Cognitive Mapping and Spatial Behavior. London: Edward Arnold, 1973.

Παραπομπή MLA

Downs, Roger M., David Stea, and Kenneth Ewart Boulding. Image and Environment: Cognitive Mapping and Spatial Behavior. London: Edward Arnold, 1973.

Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.