"Sample roofs built with the concrete tiles as compared with the local clay tiles"
MLA
"Sample Roofs Built with the Concrete Tiles as Compared with the Local Clay Tiles". 0AD. https://collections.library.yale.edu/catalog/17265760.
APA, 6th edition
"Sample roofs built with the concrete tiles as compared with the local clay tiles". (0 C.E.). [Photographs (AAT)]. https://collections.library.yale.edu/catalog/17265760.