This primary source comes from the RR-WHPO: White House Photographic Collection.
Full Citation: Nancy Reagan Slapping a Hockey Puck While Attending 'Just Say No' Night for The National Hockey League (NHL) at The Capital Centre in Landover, MD.; 3/25/1988; Reagan White House Photographs, 1/20/1981 - 1/20/1989; RR-WHPO: White House Photographic Collection; Ronald Reagan Library, Simi Valley, CA. [Online Version, https://docsteach.org/documents/document/nancy-reagan-hockey, May 4, 2024]