Cite

"SPCA took my puppy away last night. Said it was cruel to subject helpless animals to conditions like this!"

MLA

Harrington, Oliver W. (Oliver Wendell), 1912-1995. "SPCA took my puppy away last night. Said it was cruel to subject helpless animals to conditions like this!". Box 15 (Oversize). undated. https://collections.library.yale.edu/catalog/33075740.

APA, 6th edition

Harrington, Oliver W. (Oliver Wendell), 1912-1995. (["Box 15 (Oversize)"])(undated)["SPCA took my puppy away last night. Said it was cruel to subject helpless animals to conditions like this!"]. https://collections.library.yale.edu/catalog/33075740.