Cita APA (7a ed.)
Harper's Magazine Foundation. (1976). Harper's. [Harper's Magazine Foundation].
Cita Chicago Style (17a ed.)
Harper's Magazine Foundation. Harper's. [New York, N.Y.]: [Harper's Magazine Foundation], 1976.
Cita MLA (9a ed.)
Harper's Magazine Foundation. Harper's. [Harper's Magazine Foundation], 1976.
Precaución: Estas citas no son 100% exactas.