In my novel I take a block of text from another book in existence. Before I even copy the text over I give rightful credit that it is NOT my work and the work of someone else. My first question is, is this plagiarism or is this sufficient to keep the copyright laws against me. Secondly how to do I introduce the text within my own. Do I keep it in line with my text and simply quotation mark it or do I quotation mark it and indent it? Thanks for the help.