@book{9,
	author = {Kant, Immanuel, and Besteiro, Julián y Sánchez Rivero, A.},
	title = {Prolegómenos a toda metafísica del futuro /},
	publisher = {Editorial Losada,},
	year = {2005.},
	series = {Bibliotecas de Obras Maestras del Pensamiento},
	address = {Buenos Aires, Argentina :}
}