Cite

Portuguese East Africa, Zanzibar, Aden: 1 photograph album (in Series II)

MLA

Allsworth, Jenny. Portuguese East Africa, Zanzibar, Aden: 1 Photograph Album (in Series II). 1869. https://collections.library.yale.edu/catalog/17451738.

APA, 6th edition

Allsworth, J. (1869). Portuguese East Africa, Zanzibar, Aden: 1 photograph album (in Series II). https://collections.library.yale.edu/catalog/17451738.