Cita APA

(1998). Costa Rica, report of a scientific study trip (Grobe Tropenexkursion 1997), September 14 to 10, 1997. Stuttgart: University of Hohenheim.

Citación estilo Chicago

Costa Rica, Report of a Scientific Study Trip (Grobe Tropenexkursion 1997), September 14 to 10, 1997. Stuttgart: University of Hohenheim, 1998.

Cita MLA

Costa Rica, Report of a Scientific Study Trip (Grobe Tropenexkursion 1997), September 14 to 10, 1997. Stuttgart: University of Hohenheim, 1998.