End the last sentence leading up the the quotation with a colon. Begin your quotation on a new line. Leave a line space before the quote begins.
Change your indentation for the quote. Make a 1-inch left indentation. Type out the quotation. Don't use quotation marks.
End your quote with a period. Cite the source immediately after it in parentheses.
Leave a line space between the long quotation and the next sentence. Remove the 1-inch indentation for the regular body text.