Παραπομπή σε μορφή APA (7η εκδ.)

Hollingsworth, D. (1954). Rocks in the roadway; a treatise on police public relations, by a police officer, for police officers. s.n.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Hollingsworth, Dan. Rocks in the Roadway; a Treatise on Police Public Relations, by a Police Officer, for Police Officers. Chicago: s.n, 1954.

Παραπομπή σε μορφή MLA (9th εκδ.)

Hollingsworth, Dan. Rocks in the Roadway; a Treatise on Police Public Relations, by a Police Officer, for Police Officers. s.n, 1954.