Não informado. (1907). British Birds. Macmillan Journals.
Style de citation Chicago (17e éd.)Não informado. British Birds. London: Macmillan Journals, 1907.
Style de citation MLA (8e éd.)Não informado. British Birds. Macmillan Journals, 1907.
Attention : ces citations peuvent ne pas être correctes à 100%.