When citing a poster or oral presentation from a conference or meeting, treat it as an unpublished material.
The main pieces of information you need are:
Author Name. Name of Presentation. Poster or Paper presented at: Name of Conference; Date of Conference; Location of Conference.
Beyer CM. Building Together: Collaborating with faculty to integrate information literacy into a first year interprofessionalism course. Poster presented at: The Medical Library Association Annual Meeting; May 2014; Chicago, IL.
When citing a poster or oral presentation from a conference or meeting, treat it as an unpublished material with the addition of the URL and the accessed date.
The main pieces of information you need are:
Author Name. Name of Presentation. Poster or Paper presented at: Name of Conference; Date of Conference; Location of Conference, URL, Access Date.