The IEEE does not use the terms ibid or op cit to refer to the same source more than once. IEEE style refers to the work only once and then uses that same number throughout the body. Example in the text: In the text referring to JM. Redoute et al. described in the Direct Power Injection DPI Specification 3. IEEE citation style. IEEE - Create your IEEE article. From the IEEE. There is also an IEEE citation reference page. Examples of IEEE style guidelines. Writer and T. Baker, presenter, Doctor Who and the Creature From the Pit Sound recording. Bath, UK: BBC Audiobooks, 2009. Default template for IEEE journals. Trusted by publishing and reviewing experts at SciSpace, this template is built following the default template formatting guidelines for IEEE journals, as mentioned in the IEEE author instructions. The current version was created and was used by authors to write and format their manuscripts. Chicago is a style of documentation that was published by Chicago University Press. This style of citation incorporates common American English grammar and punctuation rules. Generally, the Chicago style has two basic documentation systems: 1 notes and bibliography and 2 author-date.