Online
Author(s) surname Initial(s). Title: subtitle [online]. Edition (if not the first edition). Place of publication: Publisher; Year of publication [Accessed Date]. Available from: URL of database / location in which the book is held
E-book reader format, e.g. Kindle
Author(s)/Editor(s) surname Initials(s). Title: subtitle. Edition (if not the first edition). [Name of e-book reader]. Place of publication: Publisher; Year of publication.
Reference List Online:
Greenhalgh T. How to read a paper: the basics of evidence based medicine [online]. London: BMJ Publishing Group; 2000 [Accessed 8 September 2008]. Available from: http://www.netlibrary.com/AccessProduct.aspx?ProductId=66703
Reference List E-book reader format, e.g. Kindle:
Llewelyn H, Ang HA, Lewis KE, Al-Abdullah A. Oxford handbook of clinical diagnosis. 2nd ed. [Kindle DX e-book]. Oxford: OUP; 2009.