Know what kind of website you are using!

The type of domain is determined by the last sections of the URL (Universal Resource Locator). In the example below com is the Top Level Domain and determines that his is a Commercial domain

For scientific research at school or work…

.gov –  Government
.mil – Military (also a government site)
.edu – College or University

.com – Commercial
.org – Not for profit organization
.net – General (no specific kind of organization)

Great Sites for Research:

MedLine Plus:

Center for Disease Control and Prevention:


APA Assistance:

The Purdue OWL: