| Author | Noam Chomsky |
| Publisher | Arménio Amado - Editor, Sucessor |
| Translated by | José António Meireles, Eduardo Paiva Raposo |
| Introduction by | José António Meireles, Eduardo Paiva Raposo |
| Notes by | José António Meireles, Eduardo Paiva Raposo |
| Appendix | José António Meireles, Eduardo Paiva Raposo |
| Copyright Holder | Massachusetts Institute of Technology |
| First Published by | The MIT Press |
| Publisher Series | Stvdivm |
| Printed and Bound by | Tipografia Guerra |
| Format | Paperback |
| Language | Portuguese |
| Location | Coimbra |
| Copyright | 1965 |
| Printed | 1975 |
| This Edition Published | 1978 |
| Pages / Font | 372 pages |
| Edition No. | 2.ª |
