Plan of Budapest [cartographic material] / Henry Blacklock & Co. Ltd.
MLA
Plan of Budapest [Cartographic Material] / Henry Blacklock & Co. Ltd. George Bradshaw, 1905. https://collections.library.yale.edu/catalog/15827142.
APA, 6th edition
Plan of Budapest [cartographic material] / Henry Blacklock & Co. Ltd. (1905). [Maps]. George Bradshaw, https://collections.library.yale.edu/catalog/15827142.