@book{257617,
	author = {Volkan, Vamik D., and Sunyer i Martín, Josep Miquel,},
	title = {Psicología de las sociedades en conflicto :},
	publisher = {Herder,},
	year = {2018.},
	address = {Barcelona :},
	edition = {1a. edición digital.},
	url = {https://www.digitaliapublishing.com/a/61355/}
}