1, mla format: the paper guidance format of the American Modern Language Association.

2.apa format: for the research in the field of social sciences, standardize the citation of academic documents and the writing methods of reference documents.

Second, the words are different.

1, mla format: When the author's surname has already appeared in the same sentence in the text, there is no need to use parentheses.

2.apa format: when the author's surname has appeared in the same sentence in the text, it is not necessary to repeat the author's surname in brackets. If both the last name and the year of publication of the document have appeared, parentheses are not necessary.

Third, the format requirements of labeling are different.

1, mla format: MLA format requires that the author's surname and page number be indicated, and there is no comma between them.

2.apa format: APA format requires that the author's name and publication date be indicated in brackets, and other information cited can be found in the references.

Reference to the above contents: Baidu Encyclopedia -APA format, Baidu Encyclopedia -MLA.