Cite

[Labyrinth: Passengers smoking on the Orient Express]

MLA

Steinberg, Saul, 1914-1999. [Labyrinth: Passengers smoking on the Orient Express]. Box 80, folder 1870. undated. https://collections.library.yale.edu/catalog/16856436.

APA, 6th edition

Steinberg, Saul, 1914-1999. (["Box 80, folder 1870"])(undated)[[Labyrinth: Passengers smoking on the Orient Express]]. https://collections.library.yale.edu/catalog/16856436.