Citing Information from this website should conform to the following APA format.
In a reference list cite as follows:
Gibney, M., Cornett, L., & Wood, R., (year of publication) Political Terror Scale 1976-2009. Date Retrieved, from the Political Terror Scale Web site: http://www.politicalterrorscale.org/ .
Within the text cite all authors the first time the reference occurs.
Gibney, Cornett, and Wood (year of publication)
In all subsequent citations per paragraph, include only the surname of the first author followed by "et al." (Latin for "and others") and the year of publication.
Gibney et al. (2009)