The Pan American conferences, 1890-1940 ...
Fiftieth anniversary of the Pan American Union, 1890--April 14--1940.

APA Citation

Manger, W. (1940). The Pan American conferences, 1890-1940 ..: Fiftieth anniversary of the Pan American Union, 1890--April 14--1940. Washington, D.C.: Pan American Union.

MLA Citation

Manger, William, 1899-. The Pan American Conferences, 1890-1940 ..: Fiftieth Anniversary of the Pan American Union, 1890--April 14--1940. Washington, D.C.: Pan American Union, 1940.

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