Answer: Not really sure what the question is but I found this.
Explanation:
The Stevenson family’s involvement in lighthouse engineering began with RLS’s grandfather, Robert Stevenson (1772-1850).
Robert’s mother Jean Lillie (1751-1820) had married Thomas Smith (1753-1815) who was an engineer at the Northern Lighthouse Board.
Answer:
Include only the last name of the first author, followed by “et al.” and the year published in all narrative and parenthetical citations APA.
Explanation:
lmk if it's wrong.
the last 2 because the first two are just saying they’re against that statement