Stanislov argues for a proactive approach to adolescent anxiety (as cited in Kleppner, 2008, p. 75). NOTE: If possible, you should locate the original source being quoted or paraphrased so that you can cite it directly in your paper and list it on the References page with your other sources.Citing Source Material without Page Numbers Some sources, especially online, do not provide page numbers.OTE: If possible, you should locate the original source being quoted or paraphrased so that you can cite it directly in your paper and list it on the References page with your other sources. Citing Source Material without Page Numbers Some sources, especially online, do not provide page numbers.