Chicago bibliography example: Podcast. The author is listed by last name first. Zeleza, Paul Tiyambe. The title of the podcast in is Africa's Global Past. The title of the podcast is in quotations. The podcast number is listed as Episode 40. The title of the site is Africa Past and Present. The sponsor of the site is African Online Digital Library. The type of podcast is Podcast audio followed by a comma. The date of posting is April 29, 2010. The URL is http://afripod.aodl.org/