It is necessary to cite a source because
the idea, work, or material is someone else's
it is proper to give the author credit
it is academically correct
all of the above

all of the above is the correct answer.

Explanation:

It is necessary to cite a source because

Citing information sources is a significant portion of the research method.

When the research work is completed it is necessary to generate a list about Works Cited.

To cite a source indicates to provide credit to the source from where information, the idea is taken.

The goal of a citation is to recognize the reference of your information and concepts, circumvent plagiarism, and to permit the user to verify your applications.

what is the question.. you are more likely giving us something to read with no question