Books / eBooks - One Author
Books - Single Author
If you wish to reference an electronic/online copy of a book that is identical in content, layout, publication details and pagination as the printed copy, then you may simply reference it in exactly the same way as you would reference a printed copy - there is no need to make any distinction.
In-text example
| The thermodynamics aspects of the heat exchangers for the high-capacity coolers have been studied in [6], and it is shown … |
Full Reference for the Reference List
| [6] R. E. Ziemer, Principles of Communication Systems, 7th ed. Hoboken, NJ:Wiley, 2015. |