(1919). American Association for the Advancement of Science: Preliminary annoucement of the 72nd meeting to be held in Saint Louis, Mo. : December 29, 1919 to January 3, 1920. Washington.
Chicago Style CitationAmerican Association for the Advancement of Science: Preliminary Annoucement of the 72nd Meeting to Be Held in Saint Louis, Mo. : December 29, 1919 to January 3, 1920. Washington, 1919.
MLA CitationAmerican Association for the Advancement of Science: Preliminary Annoucement of the 72nd Meeting to Be Held in Saint Louis, Mo. : December 29, 1919 to January 3, 1920. Washington, 1919.