Cita APA (7a ed.)
Fromm, E. The Heart of Man: Its Genius for Good an Evil. Harper and Row.
Cita estilo Chicago (17a ed.)
Fromm, Erich. The Heart of Man: Its Genius for Good an Evil. Nueva York, EUA: Harper and Row.
Cita MLA (9a ed.)
Fromm, Erich. The Heart of Man: Its Genius for Good an Evil. Harper and Row.
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