Official report...

Chicago citation style
Special commissioners to Great Britain and France. Official report.... [1918?]. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/001628309. (Accessed January 19, 2020.)
APA citation style
Special commissioners to Great Britain and France, ([1918?]) Official report.... Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/001628309
MLA citation style
Special commissioners to Great Britain and France. Retrieved from the Digital Public Library of America <http://catalog.hathitrust.org/Record/001628309>.
Note: These citations are programmatically generated and may be incomplete.