Answer:
The first one.
Explanation:
The goal of a first sentence is to open and explain why this is happening so the first would be the best answer.
Answer:
a. Author(s)' last name(s), date of publication, and page or paragraph number
Explanation:
When quoting material, you have to incorporate the information mentioned above in that order and separate it by a comma, for example:
(Roberts, Adams, & Johnson, 2010, p. 50)
In case there is no page number, you can mention the number of the paragraph in which the information was originally presented.
