Citazione Stile APA (7a Edizione)

Birch, W. d. G. (1907). History of Scottish seals from the 11th. to the 17th century, with upwards of 200 ill. Mackay.

Citazione stile Chigago Style (17a edizione)

Birch, Walter de Gray. History of Scottish Seals from the 11th. to the 17th Century, with Upwards of 200 Ill. Stirling: Mackay, 1907.

Citatione 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.