Citazione Stile APA (7a Edizione)

De Walden, H. (1904). Some feudals lords and their seals. The De Walden Library.

Citazione stile Chigago Style (17a edizione)

De Walden, Howard. Some Feudals Lords and Their Seals. Londres: The De Walden Library, 1904.

Citatione MLA (9a ed.)

De Walden, Howard. Some Feudals Lords and Their Seals. The De Walden Library, 1904.