What is the MLA format for citing sources in humanities research papers? I. The MLA format is the most commonly used in literary studies and forei...

What is the MLA format for citing sources in humanities research papers?

I. The MLA format is the most commonly used in literary studies and foreign languages.
II. The MLA Handbook for Writers of Research Papers is the main reference for this format.
III. The MLA format requires the author's name, the title of the work, and the publication information.
IV. The MLA format is not necessary when using online sources.
a) I and II are correct.
b) II and III are correct.
c) I, II, and III are correct.
d) II, III, and IV are correct.