What should you do when citing material that is protected by copyright?

a. in some cases (most commonly where images are involved), it's not enough to acknowledge someone else's work; you also need to ask their permission to use it.
b. this is the case with work protected by copyright.
c. in some cases (most commonly where images are involved), it's not enough to acknowledge someone else's work; you must also pay the copyright owner if you wish to use the work.
d. you are never permitted to cite material protected by copyright.

C. In some cases (most commonly where images are involved), it's not enough to acknowledge someone else's work; you must also pay the copyright owner if you wish to use the work.

Explanation:

"Remember, you’re not outright buying an image from a stock agency, but are paying for certain uses of it. Read the specific terms and conditions (to which you have agreed). For example, you may be able to post the image on your blog but require additional permission to use it on the cover of your e-book."

Reference: COPYRIGHTLAWS.COM. “6 Best Practices for Legally Using Google Images.” Copyrightlaws.com: Copyright Courses and Education in Plain English, 8 May 2019

answer:

1

explanation: