Παραπομπή σε μορφή APA (7η εκδ.)

Collin, B. (1955). The riddle of a 13th century sword-belt: By Bertha Collin. The Heraldry Society.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Collin, Bertha. The Riddle of a 13th Century Sword-belt: By Bertha Collin. East Knoyle, Wiltshire: The Heraldry Society, 1955.

Παραπομπή σε μορφή MLA (8th εκδ.)

Collin, Bertha. The Riddle of a 13th Century Sword-belt: By Bertha Collin. The Heraldry Society, 1955.