This primary source comes from the Records of the National Aeronautics and Space Administration.
Full Citation: Project: Apollo 10 Man's Nearest Lunar Approach; 5/7/1969; Apollo 10 Press Kit, 1968 - 1975; News Media Files, 1968 - 1975; Records of the National Aeronautics and Space Administration, Record Group 255; National Archives at Atlanta, Morrow, GA. [Online Version, https://www.docsteach.org/documents/document/project-apollo-10-mans-nearest-lunar-approach, April 17, 2024]