Παραπομπή σε μορφή APA (7η εκδ.)

(1941). Bicycle control in metropolitan cities. Portland Branch, Bureau of Municipal Research and Service, University of Oregon, cooperating with the League of Oregon Cities.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Bicycle Control in Metropolitan Cities. Eugene: Portland Branch, Bureau of Municipal Research and Service, University of Oregon, cooperating with the League of Oregon Cities, 1941.

Παραπομπή σε μορφή MLA (8th εκδ.)

Bicycle Control in Metropolitan Cities. Portland Branch, Bureau of Municipal Research and Service, University of Oregon, cooperating with the League of Oregon Cities, 1941.