In terms of format, references should be
But what does it look like exactly?
N = source number,
X = page number within the source (if there is any)
X-Y = page range within the source
For multiple sources, please separate them with a comma and no spacing:
Attention: in-between the source number and the page number, please add a semicolon ; and the letter p.
Select a maximum of 10 high-quality, publicly available sources.