Here's a regular blockquote:

> This is a blockquote.

Here's one with no space after the ">":

>This is a blockquote.

Here's one with multiple paragraphs:

> This is line one.
>
> This is line two.

Here's one with multiple types of blocks:

> This is a quoted paragraph.
> 
> - This is a list item of a quoted list.
> - This is another list item.
>
> > This is a nested quote block.
> 
> This is another paragraph.