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Type out the quote in its entirety, with each paragraph and the attribution on separate lines.
Highlight the entire quote, including attribution.
From the WYSIWYG toolbar, select Formats > Blocks > Blockquote.
Apply the quote class to the blockquote element, and quote__attribution class to the attribution line.
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How do I select the blockquote element? → Details: Selecting elements in WYSIWYGs |