@misc{Fromm1971, author = {Erich Fromm}, title = {Editorial}, booktitle = {Revista de Psicoan{\´a}lisis, Psiquiatr{\´i}a y Psicolog{\´i}a, M{\´e}xico (No.17-18, 1971), p. 3.}, type = {foreword}, year = {1971}, }