@book{74451,
	author = {Schmid, Paul. and Ruiz, Elroy Jiménez.},
	title = {Casos difíciles en la niñez y la adolescencia},
	publisher = {Eugenio Subirana},
	year = {1952.},
	series = {Colección : Amor, matrimonia, familia},
	address = {Barcelona}
}