▁third ▁( Los ada ) ▁edition ▁is ▁" e as ily ▁the ▁most ▁important ▁of ▁them ▁all ". ▁ ▁Selected ▁ed itions : ▁▁ 1 9 4 6 , ▁Mexico , ▁Costa - Am ic ▁( ISBN ▁NA ), ▁hard back ▁( First ▁edition , ▁original ▁Spanish ) ▁▁ 1 9 4 8 , ▁Argentina , ▁Los ada ▁( ISBN ▁NA ), ▁hard back ▁( Second ▁edition , ▁Spanish ) ▁▁ 1 9 5 2 , ▁Argentina , ▁Los ada ▁( ISBN ▁NA ), ▁hard back ▁( Th ird ▁edition , ▁Spanish , ▁corrected ▁by ▁author ) ▁▁ 1 9 6 3 , ▁UK , ▁Victor ▁G oll an cz ▁( ISBN ▁NA ), ▁paper back ▁( Eng . ▁trans . ▁by ▁Frances ▁Part ridge ▁as ▁The ▁President ) ▁▁ 1 9 6 4 , ▁USA , ▁Ath ene um ▁( ISBN ▁NA ), ▁paper back ▁( Eng . ▁trans . ▁by ▁Frances ▁Part ridge ▁as ▁) ▁▁ 1 9 7 2 , ▁UK , ▁P engu in ▁( ), ▁pub ▁date ▁ 3 0 ▁March ▁ 1 9 7 2 , ▁paper back ▁( Eng . ▁trans . ▁as ▁The ▁President ) ▁▁ 1 9 7 8 , ▁France , ▁K lin cks ieck , ▁and ▁Mexico , ▁F ondo ▁de ▁Cultura ▁E con óm ica ▁( ISBN ▁NA ) ▁( Span ish , ▁first ▁critical ▁edition , ▁ed . ▁by ▁Ric ardo ▁N avas ▁Ru iz ▁and ▁Jean - Marie ▁Saint - Lu , ▁part ▁of ▁Ast ur ias ' s