AMA Referencing (Vancouver)

Use this format if:

• You are citing an entry in an online drug information database.

Minimum information needed (in bold):

• Author(s) (if available)
• Entry title (not in italics, in sentence case)
• Database title (not in italics, in Title Case)
• Published date (at least year, if available) OR Updated date (if different to published date - at least year, if available)
• Accessed date
• URL

Important notes:

• If there are no authors, begin with the title of the entry.
• As the AMA manual recommends citing databases as a whole, this pattern is based on a combination of the formats for databases and book chapters in order to pinpoint direct a direct entry in the database.

[23.2]

Use this format if:

• You are using an entry from a encyclopaedia, medical dictionary or similar reference work
• Note: This is the same pattern used for a book chapter

Minimum information needed (in bold):

• Author(s) (if available)
• Chapter Title (not in italics, in sentence case)
• Editor(s) (if available)
• Encyclopaedia/dictionary title (in italics, in Title Case)
• Volume number 
• Edition number
• Publisher's name
• Latest copyright year
• Inclusive page numbers
• DOI or URL (if online)
• Accessed date (if online - only if using URL)

Important notes:

• You may not have a named author for the entry, or a named editor for the book.
• Contributors to encyclopedia and dictionaries are sometimes indicated by initials at the end of the entries - always try to find an author rather than assuming there isn't one simply because you cannot see a name in an obvious location.
• Online books may not have page numbers.
• As the AMA manual recommends citing dictionaries and encyclopaedia as a whole, this pattern is based on a combination of the formats for databases and book chapters in order to pinpoint direct a direct entry.