APA Academic Writer offers a plethora of tools to facilitate the writing and research process and to ensure compliance with APA style. Includes: video guides, video tutorials, self-quizzes, sample research papers, sample tables & figures, and more.
The MLA Handbook is a textbook and reference guide that offers student writers and writing instructors guidance on creating works-cited-list entries in MLA style using the template of core elements. It features advice on punctuation, grammar, inclusive language, formatting research papers, and in-text citations.
Builds on the MLA's unique approach to documenting sources using a template of core elements--facts, common to most sources, like author, title, and publication date--that allows writers to cite any type of work, from books, e-books, and journal articles in databases to song lyrics, online images, social media posts, dissertations, and more.
Publication Manual of the American Psychological Association: The Official Guide to APA Style (7th Edition) by 
MLA Handbook by 