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Bibliographic details for Anna Shale Member

Citation styles for Anna Shale Member

APA style

Anna Shale Member. (2022, February 9). ILSTRAT, Illinois State Geological Survey. Retrieved 20:07, January 21, 2026 from https://ilstratwiki.web.illinois.edu/index.php?title=Anna_Shale_Member&oldid=19596.

MLA style

"Anna Shale Member." ILSTRAT, Illinois State Geological Survey. 9 Feb 2022, 16:15 UTC. 21 Jan 2026, 20:07 <https://ilstratwiki.web.illinois.edu/index.php?title=Anna_Shale_Member&oldid=19596>.

MHRA style

ILSTRAT contributors, 'Anna Shale Member', ILSTRAT, Illinois State Geological Survey, 9 February 2022, 16:15 UTC, <https://ilstratwiki.web.illinois.edu/index.php?title=Anna_Shale_Member&oldid=19596> [accessed 21 January 2026]

Chicago style

ILSTRAT contributors, "Anna Shale Member," ILSTRAT, Illinois State Geological Survey, https://ilstratwiki.web.illinois.edu/index.php?title=Anna_Shale_Member&oldid=19596 (accessed January 21, 2026).

CBE/CSE style

ILSTRAT contributors. Anna Shale Member [Internet]. ILSTRAT, Illinois State Geological Survey; 2022 Feb 9, 16:15 UTC [cited 2026 Jan 21]. Available from: https://ilstratwiki.web.illinois.edu/index.php?title=Anna_Shale_Member&oldid=19596.

Bluebook style

Anna Shale Member, https://ilstratwiki.web.illinois.edu/index.php?title=Anna_Shale_Member&oldid=19596 (last visited January 21, 2026).

BibTeX entry

 @misc{ wiki:xxx,
   author = "ILSTRAT",
   title = "Anna Shale Member --- ILSTRAT{,} Illinois State Geological Survey",
   year = "2022",
   url = "https://ilstratwiki.web.illinois.edu/index.php?title=Anna_Shale_Member&oldid=19596",
   note = "[Online; accessed 21-January-2026]"
 }

When using the LaTeX package url (\usepackage{url} somewhere in the preamble) which tends to give much more nicely formatted web addresses, the following may be preferred: 

 @misc{ wiki:xxx,
   author = "ILSTRAT",
   title = "Anna Shale Member --- ILSTRAT{,} Illinois State Geological Survey",
   year = "2022",
   url = "\url{https://ilstratwiki.web.illinois.edu/index.php?title=Anna_Shale_Member&oldid=19596}",
   note = "[Online; accessed 21-January-2026]"
 }


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