Cite

Fortification constructed by Charles de Foucauld, Algeria, ca. 1920-1940

MLA

Fortification Constructed by Charles De Foucauld, Algeria, Ca. 1920-1940. 1920. https://collections.library.yale.edu/catalog/11444360.

APA, 6th edition

Fortification constructed by Charles de Foucauld, Algeria, ca. 1920-1940. (1920). [Exterior views (AAT), photographs (AAT)]. https://collections.library.yale.edu/catalog/11444360.