Παραπομπή σε μορφή APA (7η εκδ.)

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

Παραπομπή σε μορφή Chicago (17η εκδ.)

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

Παραπομπή σε μορφή MLA (8th εκδ.)

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