Cite

Map of Ethiopia and adjacent countries / prepared by C.W. Cook Mapping Service.

MLA

Service, C. W. Cook Mapping. Map of Ethiopia and Adjacent Countries / Prepared by C.W. Cook Mapping Service. C.W. Cook Mapping Service, 0AD. https://collections.library.yale.edu/catalog/15532726.

APA, 6th edition

Service, C. W. C. M. (0 C.E.). Map of Ethiopia and adjacent countries / prepared by C.W. Cook Mapping Service. [Maps]. C.W. Cook Mapping Service, https://collections.library.yale.edu/catalog/15532726.