Q. Should I use a comma or a colon when introducing a block quotation?

For examples of block quotations that provide information on when to use commas or colons, as well as when to capitalize the first word of a block quotation, please see Block Quotation Examples by the APA Style Blog.

For more information on how to use commas and colons, please see the presentation titled "Punctuating sentences: Commas, semicolons, and colons" in Punctuation.