Cite

"Bet'cha one thing, if there is a Santa Claus..."

MLA

Harrington, Oliver W. (Oliver Wendell), 1912-1995. "Bet'cha one thing, if there is a Santa Claus...". Box 9 (Oversize). undated. https://collections.library.yale.edu/catalog/33075444.

APA, 6th edition

Harrington, Oliver W. (Oliver Wendell), 1912-1995. (["Box 9 (Oversize)"])(undated)["Bet'cha one thing, if there is a Santa Claus..."]. https://collections.library.yale.edu/catalog/33075444.