Yorkshire Heraldry Society. Aspects of heraldry. Yorkshire Heraldry Society.
Chicago Style (17th ed.) CitationYorkshire Heraldry Society. Aspects of Heraldry. Leeds: Yorkshire Heraldry Society.
MLA (8th ed.) CitationYorkshire Heraldry Society. Aspects of Heraldry. Yorkshire Heraldry Society.
Warning: These citations may not always be 100% accurate.