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.