Cite the ninth edition of the MLA Handbook as you would cite any other work written and published by the same nongovernment organization. To avoid redundancy, skip the Author element and list the Modern Language Association of America only as the publisher. 

MLA Handbook. 9th ed., Modern Language Association of America, 2021. 

Cite the handbook by section number. If you’d like to provide more context for readers, you might additionally give the page number. For example:

Section 3.5 of the MLA Handbook advises writers on how to use singular they to “avoid making or enabling assumptions about gender” (92).

Work Cited

MLA Handbook. 9th ed., Modern Language Association of America, 2021.

To cite the online version of the handbook published on the MLA Handbook Plus platform, follow the same principle when creating the works-cited-list entry: skip the Author element and list the Modern Language Association of America only as the publisher. Then, list MLA Handbook Plus in the Title of Container element.

MLA Handbook. 9th ed., Modern Language Association of America, 2021. MLA Handbook Plus, 2021, mlahandbookplus.org/.

When quoting from or paraphrasing a particular section of the handbook that you accessed on MLA Handbook Plus, cite the section number. For instance:  

In a chapter on the use of inclusive language, the MLA Handbook advises writers on how to use singular they to “avoid making or enabling assumptions about gender” (3.5).

Work Cited

MLA Handbook. 9th ed., Modern Language Association of America, 2021. MLA Handbook Plus, 2021, mlahandbookplus.org/.