Cita APA (7a ed.)

Barrett, J. (1917). Second Pan American Scientific Congress: The report of the secretary general. Government Printing Office.

Cita Chicago Style (17a ed.)

Barrett, John. Second Pan American Scientific Congress: The Report of the Secretary General. Washington, D.C: Government Printing Office, 1917.

Cita MLA (9a ed.)

Barrett, John. Second Pan American Scientific Congress: The Report of the Secretary General. Government Printing Office, 1917.