Citations refer to the original publication, not to a Scieee localized version.
Ojeda Avilés, A. (2002). La libertad sindical. Comares. https://idus.us.es/items/2edce61b-f340-4714-af39-558ffdd69323
Ojeda Avilés, Antonio. La libertad sindical. Comares, 2002. https://idus.us.es/items/2edce61b-f340-4714-af39-558ffdd69323.
Ojeda Avilés, Antonio. La libertad sindical. Comares, 2002. https://idus.us.es/items/2edce61b-f340-4714-af39-558ffdd69323.
Ojeda Avilés, A. (2002) La libertad sindical. Comares. Available at: https://idus.us.es/items/2edce61b-f340-4714-af39-558ffdd69323.
A. Ojeda Avilés, “La libertad sindical,” Comares, 2002. [Online]. Available: https://idus.us.es/items/2edce61b-f340-4714-af39-558ffdd69323
@misc{ojedaaviles2002libertad,
author = {Ojeda Avilés, Antonio},
title = {La libertad sindical},
year = {2002},
publisher = {Comares},
url = {https://idus.us.es/items/2edce61b-f340-4714-af39-558ffdd69323}
}
The source metadata has no journal, volume or pages. Add them from the original publication if your citation needs them.