Answer:
True.
Explanation:
MLA citation can be defined as a set of rules to give proper credit of the sources included in a research paper or any written assignment. These rules and conventions are set by Modern Language Association. This format of citation is used specifically for social sciences, literature, and other humanities subject.
According to MLA citation, the container is the 'larger whole' in which the source might be documented. For correct citation, the title of the container is also included.
In case, when a source is documented in the container of another larger container, then, it is important to  cite both the containers.
For instance, if the source that you have included in your work is taken from electronic library book (first container) which is included in a database (another larger container), then both containers will be cited.
Thus the given statement is true.
The full form of MLA is Modern Language Association. MLA citation refers to as a type of rules that are helpful to give credit of the sources included in a research paper.
According to the Modern Language Association rule, it is mandatory that both containers need to be attributed in the MLA citation. The format of citation is used specifically for social sciences, literature, and other humanities subject.
Therefore, correct answer is True.
Learn more about MLA citation, refer to the link:
https://brainly.com/question/8789070
