Answer :
APA and MLA are types of indices.The APA and MLA styles are updated from time to time. There are slight variations in reference formats of different versions of these styles.
Modern Language Association, or MLA, is the style guide for publications that deal with humanities, the arts, philosophy, and religion. It is primarily for compositions, which may or may not involve research. The wording may vary depending on the audience, and names are cited by first using the full name of the author, followed by the book's page.
The abbreviation APA, or American Psychological Association, is used in research papers and in scientific disciplines like physics and psychology. In contrast to the MLA, the format does not have a specific audience in mind. Additionally, it is succinct and impartial. We only indices the author's last name and the publication date when citing authors in this way.
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