MLA 8 was designed to simplify the process, helping writers accurately and intuitively cite sources more easily, requiring that every source type follow the same format. This means that books, websites, periodicals, videos, photographs, and all other types of sources now use this same standard format.
I'm fairly certain it's the first answer but it may be the third answer as well but I believe it's the first more though.
I think the correct answer is possessives
