Cite

The simplest puddling furnace in the world

MLA

The Simplest Puddling Furnace in the World. 0AD. https://collections.library.yale.edu/catalog/17067777.

APA, 6th edition

The simplest puddling furnace in the world. (0 C.E.). [Photographs (AAT)]. https://collections.library.yale.edu/catalog/17067777.