Pioneer Productions, PBS Home Video, & Williams, N. (2012). Deadliest volcanoes. PBS Home Video.
Chicago Style (17th ed.) CitationPioneer Productions, PBS Home Video, and Nathan Williams. Deadliest Volcanoes. [United States]: PBS Home Video, 2012.
MLA (9th ed.) CitationPioneer Productions, et al. Deadliest Volcanoes. PBS Home Video, 2012.
Warning: These citations may not always be 100% accurate.