MLA in-text citations include the last name of the speaker in the signal phrase or the parenthetical citation. Roberts insisted that "quotation here." Or "quotation." (Roberts).
APA style includes the last name of the speaker followed by the publication date in parenthesis in the signal phrase. "Roberts (2005, August) insisted that...."
An MLA Works Cited entry for an oral presentation includes the speakers' name, the title of the presentation in title case and quotation marks, the symposium name, the meeting, the sponsoring organization, the location, the date and a descriptive label. Roberts, Nancy and Martin Plato. "The State of Public Discourse 20 Years after Postman." New Communications Technologies and Public Discourse. NCTZ Annual Convention. NCTZ Group. University of Pickering, Pickering, VA. 22 Aug. 2005. Debate.
APA References page entry includes the speakers' names, the date in parenthesis, the title of the presentation in sentence case, the symposium title in title case, the name of the meeting, the sponsoring organization and location. Roberts, N. M., & Plato, M. (2005, August). The state of public discourse 20 years after Postman. New Communications Technologies and Public Discourse. Debate conducted at the NCTZ Annual Convention, University of Pickering, Pickering, VA.