In a critical essay you are supposed to give a critical analysis of something, most often of a text. It is not necessary to be negative evaluation – you just as well can read, analyze and agree with what you have read. The best way to characterize this kind of writing will be to call it objective evaluation – you write about the level of coherence of the text, how well-put is the idea and so on rather than agree or disagree with the idea as itself. The fact that it is a MLA critical essay simply means that you have to organize along the lines of MLA formatting style, which is mainly concerned about citing. In a critical essay of MLA format the sources should be mentioned in-text parenthetically, so that the reader will be able to find them easily in the Works Cited list. Here are some examples:
The most common ways of writing books in the Works Cited list are as follows:
We hope that this short account will be of use for you to write online critical essay in MLA.