@misc{Fromm1968, author = {Erich Fromm}, title = {Editorial}, booktitle = {Revista de Psicoan{\´a}lisis, Psiquiatr{\´i}a y Psicolog{\´i}a, M{\´e}xico, No. 9 (1968), pp. 3f.}, type = {foreword}, year = {1968}, }