MLA

[Clipping : Due to Their Phenomenal Success, Merce Cunningham & Dance Co. ... Transfer to the Phoenix Theatre]. 0AD. https://collections.library.yale.edu/catalog/10516177.

APA, 6th edition

[Clipping : Due to their phenomenal success, Merce Cunningham & Dance Co. ... transfer to the Phoenix Theatre]. (0 C.E.). [Advertisements, Clippings]. https://collections.library.yale.edu/catalog/10516177.