Use this standard format:
Author. "Title." Title of container (self contained if book), Other contributors (translators or editors), Version (edition), Number (vol. and/or no.), Publisher, Publication Date, Location (pages, paragraphs and/or URL, DOI or permalink). 2nd container’s title, Other contributors, Version, Number, Publisher, Publication date, Location, Date of Access (if applicable).
Citing a page on a website:
For an individual page on a Web site, list the author or alias if known, followed by an indication of the specific page or article being referenced. Usually, the title of the page or article appears in a header at the top of the page. Follow this with the information covered above for entire Web sites. If the publisher is the same as the website name, only list it once.
Lundman, Susan. “How to Make Vegetarian Chili.” eHow, www.ehow.com/how_10727_make-vegetarian-chili.html. Accessed 6 July 2015.
“Athlete's Foot - Topic Overview.” WebMD, 25 Sept. 2014, www.webmd.com/skin-problems-and-treatments/tc/athletes-foot-topic-overview.
Citing an entire web site:
When citing an entire website, follow the same format as listed above, but include a compiler name if no single author is available.
Author, or compiler name (if available). Name of Site. Version number (if available), Name of institution/organization affiliated with the site (sponsor or publisher), date of resource creation (if available), DOI (preferred), otherwise include a URL or permalink. Date of access (if applicable).
Editor, author, or compiler name (if available). Name of Site. Version number, Name of institution/organization affiliated with the site (sponsor or publisher), date of resource creation (if available), URL, DOI or permalink. Date of access (if applicable).
The Purdue OWL Family of Sites. The Writing Lab and OWL at Purdue and Purdue U, 2008, owl.english.purdue.edu/owl. Accessed 23 Apr. 2008.
Felluga, Dino. Guide to Literary and Critical Theory. Purdue U, 28 Nov. 2003, www.cla.purdue.edu/english/theory/. Accessed 10 May 2006.