Answered By: Charlotte Beyer
Last Updated: Apr 26, 2016     Views: 375

To cite a poster with multiple authors, cite it like unpublished material. 

Greenspan A, Eerdekens M, Mahmoud R. Is there an increased rate of cerebrovascular events among dementia patients? Poster presented at: 24th Congress of the Collegium Internationale Neuro-Psychopharmacologicum (CINP); June 20–24, 2004; Paris, France.

*Citation example is from the 10th edition of the American Manual of Style.