(1999). Report of the Smithsonian Tropical Research Institute October 1st, 1997 through September 30, 1999 =: Memoria del Instituto Smithsonian de Investigaciones Tropicales 1 Oct. de 1997 al 30 de Set. de 1999. Panamá:: Smithsonian Tropical Research Institution.
Citación estilo ChicagoReport of the Smithsonian Tropical Research Institute October 1st, 1997 Through September 30, 1999 =: Memoria Del Instituto Smithsonian De Investigaciones Tropicales 1 Oct. De 1997 Al 30 De Set. De 1999. Panamá:: Smithsonian Tropical Research Institution, 1999.
Cita MLAReport of the Smithsonian Tropical Research Institute October 1st, 1997 Through September 30, 1999 =: Memoria Del Instituto Smithsonian De Investigaciones Tropicales 1 Oct. De 1997 Al 30 De Set. De 1999. Panamá:: Smithsonian Tropical Research Institution, 1999.