Citation information has been adapted from the APA Manual (6th Edition). Please refer to pages 187-189 and 203-204 of the APA Manual (6th Edition) for more information.
-When citing an electronic book or chapter, the electronic retrieval statement replaces the publisher name and location (p.203).
-When a DOI (digital object identifier) is available, use it in place of the URL of the homepage of the e-book provider.
-You should use DOI numbers any time they are available, however not all materials have DOI numbers. DOI numbers are provided by publishers and should never be made up.