The citation for Malthus' original writings at this site should follow the following format:

Malthus, Thomas R.,  1798, An Essay on the Principle of Population, Retrieved November 23, 1999 [use actual date],  http://www.faculty.rsu.edu/~felwell/Theorists/Malthus/Index.htm

To cite the paper Reclaiming Malthus,  you should use the following format:

Elwell, Frank W., 2001, "Reclaiming Malthus," Retrieved April 19, 2001, [use actual date] http://www.faculty.rsu.edu/~felwell/Theorists/Malthus/Index.htm

I hope you find this site useful and will take the time to fill out the site evaluation form. I will attempt to keep posting  these comments as I get them.  You may also want to visit my other theorist sites off of Great Social Theorists.