First published in Nueva Dimensión No. 42, February 1973. Written in 1964.
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| February 1973 |
|
Nueva Dimensión 42 | Dronte | MAGAZINE | 6 |
| July 2003 |
|
Cosmos Latinos: An Anthology of Science Fiction from Latin America and Spain | Wesleyan University Press | Anthology | 63 |
| July 2003 |
|
Cosmos Latinos: An Anthology of Science Fiction from Latin America and Spain | Wesleyan University Press | Anthology | 65 |