@book{34219,
	author = {Schaie, K. Warner (Klaus Warner), 1928- and Carranza Carnicero, José Antonio},
	title = {Psicología de la edad adulta y la vejez /},
	publisher = {Pearson : Prentice Hall},
	year = {2003},
	address = {Madrid},
	edition = {5a ed.}
}