The Hook
an opening that grabs the readers attention and establishes a connection between the reader and writer
The Claim
clear and straightforward statement of the writers belief and what is being argued
Concessions and Refutations
restatements of arguments made by the other side and the writers arguments against those opposing view points and why the writers arguments are more valid.
Support
Reasoning behind the argument. an include evidence as well as logical and emotional appeals (logos and pathos). May also anticipate objections and provide reasoning to overcome those objections.
Summary/ Call to action
a closing statement with a final plea for action
The answer is A, when using information from crowd-sources sources like Wikipedia, because that is public domain.
Sources of information are cited in order to give the original authors/creators proper credit for their work and to document where an author heard or read the fact or idea that has been incorporated into a new work. The purpose of citations is to let the reader know where you obtained information so sources can easily be located and consulted.