@book{172610,
	author = {Twain, Mark. and Ratcliffe, S. K.},
	title = {¿Qué es el hombre? / },
	publisher = {Delfos, },
	year = {1946.},
	series = {Oraclum ; },
	address = {Barcelona : },
	edition = {1ª ed.},
	note = {Índice.}
}