Purdue Online Writing Center (OWL): Provides examples for nearly every type of APA reference and much more.
Digital Object Identifiers (DOI) are unique alphanumeric codes used to identify and link to articles. New citation rules for APA require that DOIs be listed, if available, in place of the database availability phrase previously used.
...If a DOI is not available, the journal publisher's URL is used. Try the free DOI Look-up service below from CrossRef.org
Below is a reminder of some common formatting details that sometimes are overlooked.
Academic Writer provides a template for writing. Check out the WRITE tab. Set up your personal account to save your work.
Citing your work is about more than just fulfilling the requirements for your assignment. Under U.S. Copyright Law, the creator of an original work (for example, an author) has the right to be credited for their work. Thus, it is a legal and ethical issue to document the sources you use. It is as well a demonstration of your trusted membership within the larger community of scholars.