Birch, W. d. G. (1907). History of Scottish seals from the 11th. to the 17th century, with upwards of 200 ill. Mackay.
Citação do estilo Chicago (17ª ed.)Birch, Walter de Gray. History of Scottish Seals from the 11th. to the 17th Century, with Upwards of 200 Ill. Stirling: Mackay, 1907.
Citação MLA (8ª ed.)Birch, Walter de Gray. History of Scottish Seals from the 11th. to the 17th Century, with Upwards of 200 Ill. Mackay, 1907.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.