A title slide/page with a topic sentence and research question: (something similar or related to “The impact of US population growth on climate change”
 
A justification slide/page answering the question, 
how does your topic relate to the course?: course name is “Geography of the western world”)

Three annotated sources, answering two questions for each source:

What is the article/video, etc… about? (a summary)

How did it contribute to your overall understanding of your topic? 

No specific citation format is necessary. Just be consistent between 
your three sources.