Great Scots : : Scottish National Portrait Gallery (Edinburgh).

MLA

Thomson, Duncan. Great Scots : Scottish National Portrait Gallery (edinburgh). Edinburgh: Trustees of the National Galleries of Scotland, .d.

APA

Thomson, D. (.d). Great Scots : Scottish National Portrait Gallery (Edinburgh). Edinburgh: Trustees of the National Galleries of Scotland.

Chicago

Thomson, Duncan Great Scots: Scottish National Portrait Gallery (edinburgh). Edinburgh: Trustees of the National Galleries of Scotland, .d.