Answer:
The correct answer is:
b. Smith (2009) found that elephants have teeth.
Step-by-step explanation:
Apa style is a format normally used for academic purposes in order to cite scientific information to support the ideas of the research paper that is being created or written. The common order according to the APA style to cite information inside a text is:
1. The last name of the author.
2. Year of the finding.
3. The related information.