Remember, whether you directly quote or paraphrase information from your textbook, you need to cite your source. Here is the information for creating an APA citation when you use your textbook as a source.
Dunne, P. M., Lusch, R. F., & Carver, J. R. (2014). Retailing (8th ed.). Mason, OH: South-Western Cengage Learning.
Video: Carteret Community College. (4.33 minutes)
These free, online tools will generate a citation for you. Proofread finished citation carefully. Accuracy of completed citations is often dependent on accurate input by you.