Chicago Style Guide, for 17th Edition

Introduction

 A note on citing materials found on a website: If you’re citing formal documentation (e.g. Word, PDF documents) found on a website, you should cite it like a book or journal article (including all relevant publisher information and a URL). For other information found on a website or page, footnote/endnote citation should include some or all of the following elements.

1. Author: Full name (Firstname Middlename Lastname).
2. Title of Web Page (in quotations).
3. Name of publishing entity (in italicized characters).
4. Publication date: and/or access date (if no publication date given, access date is mandatory).
5. URL.

Basic Layout

[indented tab]1. Author Firstname Lastname, “title of webpage,” name of publishing entity, publication/last modified date (if given), access date, URL.

Examples