Here is a link to a rather good site (Anglia Ruskin University) which explains all the ins and outs of using this reference system.
Click on the sub-heading, and it opens an example, showing you exactly how to set out the reference.
You can do it, too! Sign up for free now at https://www.jimdo.com
Let's be clear - neither the RLF nor DMU in any way endorse or recommend, or are in any way connected to Jimdo. This is just a free website with an advert on it.