Cite

Amsterdam [cartographic material] / Henry Blacklock & Co., Ltd.

MLA

Amsterdam [Cartographic Material] / Henry Blacklock & Co., Ltd. George Bradshaw, 0AD. https://collections.library.yale.edu/catalog/15352217.

APA, 6th edition

Amsterdam [cartographic material] / Henry Blacklock & Co., Ltd. (0 C.E.). [Maps]. George Bradshaw, https://collections.library.yale.edu/catalog/15352217.