The 8th edition varies from previous editions in one essential way. Its focus is on principles of organization rather than a list of rules for individual formats, which allows for flexibility as new formats come along.
What is citation?
A research project will include facts, opinions, quotations, and images taken from a variety of print, non-print, and electronic sources. Citing sources is providing select information about each source used for a project. You should cite not only what you quote, but also what you paraphrase.
Why do we cite?