Discurso Sobre A Servidão Voluntária
| Publisher | Antígona |
| Translated by | Manuel João Gomes, Júlio Henriques |
| Preface by | Manuel João Gomes |
| Essay by | Pierre Clastres |
| Revised by | Júlio Henriques |
| Cover/Jacket Design by | Antígona |
| Printed by | IAG - Artes Gráficas, Lda |
| Format | Soft cover |
| Language | Portuguese |
| Location | Lisbon |
| This Edition Published | 1977 |
| Pages / Font | 93 pages |
| ISBN | 972-608-013-4 |
| DL (Portuguese) | 114 044/97 |
| Barcode | 9789726080138 |
| Edition No. | 2.ª |
Added by Xavier.Rafael