Working for a League of Nations :
a handbook on county organization for the League to Enforce Peace /
prepared by the Extension Department.

APA Citation

League to Enforce Peace (U.S.). Extension Department. (1919). Working for a League of Nations: a handbook on county organization for the League to Enforce Peace. New York City: League to Enforce Peace.

MLA Citation

League to Enforce Peace (U.S.). Extension Department. Working for a League of Nations: a Handbook On County Organization for the League to Enforce Peace. New York City: League to Enforce Peace, 1919.

Warning: These citations may not always be complete (especially for serials).