MapBiomas Chile data are public and free; you can use them simply by referring to the source in the following format: 

"MapBiomas Chile Project - Collection [version] of the Annual Series of Land Cover and Land Use Maps of Chile, consulted on [date] via the link: [LINK]”

"The MapBiomas Chile Project is a multi-institutional initiative to generate annual land cover and land use maps of the Chilean territory from automatic classification processes applied to satellite images. The complete project description is available at https://chile.mapbiomas.org/."

Example: 

MapBiomas Chile Project - Collection 1.0 of the Annual Series of Land Cover and Land Use Maps of Chile, consulted on April 3, 2024, via the link: https://chile.mapbiomas.org "The MapBiomas Chile Project is a multi-institutional initiative to generate annual land cover and land use maps of the Chilean territory from automatic classification processes applied to satellite images." The complete project description is available at https://chile.mapbiomas.org/.