It’s really important that you find a method of recording what you’ve read and in such a way that you can actually put it into your assignments as easily as possible.
Try to get into the habit of recording your reading: templates such as the one below can help. You can change the columns to your purpose. There are some examples below, and some links to access them.
This is quite a basic form, but it allows you to include:
The reference
A summary of what the paper is about
An evaluation of how useful the source is
A summary of what the authors did, found, and concluded
This gives the opportunity for critical analysis
This version allows for further criticality: