Concise Catalogue : : Scottish National Portrait Gallery (Edinburgh).

MLA

Thomson, Duncan, and Sheila Bruce Lockhart. Concise Catalogue : Scottish National Portrait Gallery (edinburgh). Edinburgh: Trustees of the National Galleries of Scotland, 1977.

APA

Thomson, D., & Lockhart, S. Bruce. (1977). Concise Catalogue : Scottish National Portrait Gallery (Edinburgh). Edinburgh: Trustees of the National Galleries of Scotland.

Chicago

Thomson, Duncan, and Sheila Bruce Lockhart. Concise Catalogue: Scottish National Portrait Gallery (edinburgh). Edinburgh: Trustees of the National Galleries of Scotland, 1977.