Cite

H. gaze & sons : map of central Europe, indicating the principal routes comprised in their system of continental travel tickets.

MLA

Gaze, Henry, et al. H. Gaze & Sons : Map of Central Europe, Indicating the Principal Routes Comprised in Their System of Continental Travel Tickets. H. Gaze & Sons, 0AD. https://collections.library.yale.edu/catalog/15259109.

APA, 6th edition

Gaze, H., sons, J. B., & S. (0 C.E.). H. gaze & sons : map of central Europe, indicating the principal routes comprised in their system of continental travel tickets. [Maps]. H. Gaze & Sons, https://collections.library.yale.edu/catalog/15259109.