The 4 W's are the main pieces of information you will need to reference other scholar's work. These pieces help identify what resource you are referring to and are the main pieces of information you want to keep track of during your searching so you don't loose any important resources.
Who - Author(s), group or organization that created this resource
When - Date of publication
What - Title of the Article
Where - Journal name, volume and issue numbers and page numbers of the publication the article is found in
Having all of these pieces means the reader will be able to understand and find the original source you are referring to with ease!
Chicago style citations are unique in that it includes two documentation systems. The first is known as the humanities (notes and bibliography) style and is more often used in the fields of arts and humanities. The second is the author-date system, used more often in the natural sciences.
Chicago Style Online Guides
Chicago Style Guide Book
APA Style is often used for writing in the fields of psychology, business, communications, nursing, history and social sciences. APA stands for the American Psychological Association.
The following resources provide assistance in citing sources according to the Publication Manual of the American Psychological Association, 7th edition: