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Writing styles vary depending on what you're writing (a lab report, an annotated bibliography, a persuasive essay, etc). Writing styles are also different depending on subject or discipline (Business, English, Engineering, etc).
The resources below can be helpful for learning about writing by format type or by subject or career.
The MLA Handbook guides writers through the principles behind evaluating sources for their research. It then shows them how to cite sources in their writing and create useful entries for the works-cited list.
The Publication Manual of the American Psychological Association offers guidance on choosing the headings, tables, figures, language, and tone that will result in powerful, concise, and elegant scholarly communication.
It is the style manual of choice for writers, researchers, editors, students, and educators in the social and behavioral sciences, natural sciences, nursing, communications, education, business, engineering, and other fields.
The Online Writing Lab (OWL) at Purdue University houses writing resources and instructional material, and we provide these as a free service of the Writing Lab at Purdue. Students, members of the community, and users worldwide will find information to assist with many writing projects. Teachers and trainers may use this material for in-class and out-of-class instruction.
There's a special section on Subject Specific Writing