In the name-year system, you will compile your list of end-references for your paper and place them in alphabetical order by author's last name. In-text references will then consist of the author's last name and the year of publication.
Unlike C-S and C-N, you will place the year of publication directly after the author's name.
The NIH has called for a change in smallpox vaccination policy (Fauci 2002) that...
Fauci AS. 2002. Smallpox vaccination policy -- the need for dialogue. N Engl J Med. 346(17):1319-1320