Typing in the APA reference list entries are tedious. Therefore, use the biblatex-apa package.

For the sample files, please click the above “YouTube” button.

Why biblatex instead of Bib$\rm \TeX$?

Apart from the support of @online tag, see this blog post on the comparison between the apacite and biblatex-apa packages.

For writing scientific reports, refer to $\rm \LaTeX$ Style and Bib$\rm \TeX$ Bibliography Formats for Biologists: $\rm \TeX$ and $\rm \LaTeX$ Resources by Tom Schneider. (URL)