The Pan-American Exposition. Buffalo, N.Y., U.S.A. From May 1 to November 1, 1901.
MLA
The Pan-American Exposition. Buffalo, N.Y., U.S.A. From May 1 to November 1, 1901. 0AD. https://collections.library.yale.edu/catalog/10015410.
APA, 6th edition
The Pan-American Exposition. Buffalo, N.Y., U.S.A. From May 1 to November 1, 1901. (0 C.E.). https://collections.library.yale.edu/catalog/10015410.