Browse Oxford Bibliographies Online: Latin American Studies for city, or topic. A few examples are highlighted:
Or use the search bar in OBO to look for more narrow concepts, theories, particular films, directors, etc.
Handbooks and "companions to..." can be great sources for scholarly overviews of a topic. Often the editor of a particular book asks an expert in the field to write a chapter on their particular area of expertise that gets compiled into the handbook. A few example titles:
Who is the author?
Who is the intended audience of the resource?
Is the text peer-reviewed?
What is the scope and coverage of the resource?
When was the item written or published?
Evaluate the sources cited by the author.