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Citation styles for Harald Ertl

APA style

Harald Ertl. (2009, September 24). Wicri Urban Soils, . Retrieved 01:36, December 14, 2025 from https://wicri-demo.istex.fr/Wicri/SolsUrbains/en/index.php?title=Harald_Ertl&oldid=2155.

MLA style

"Harald Ertl." Wicri Urban Soils, . 24 Sep 2009, 20:42 UTC. 14 Dec 2025, 01:36 <https://wicri-demo.istex.fr/Wicri/SolsUrbains/en/index.php?title=Harald_Ertl&oldid=2155>.

MHRA style

Wicri Urban Soils contributors, 'Harald Ertl', Wicri Urban Soils, , 24 September 2009, 20:42 UTC, <https://wicri-demo.istex.fr/Wicri/SolsUrbains/en/index.php?title=Harald_Ertl&oldid=2155> [accessed 14 December 2025]

Chicago style

Wicri Urban Soils contributors, "Harald Ertl," Wicri Urban Soils, , https://wicri-demo.istex.fr/Wicri/SolsUrbains/en/index.php?title=Harald_Ertl&oldid=2155 (accessed December 14, 2025).

CBE/CSE style

Wicri Urban Soils contributors. Harald Ertl [Internet]. Wicri Urban Soils, ; 2009 Sep 24, 20:42 UTC [cited 2025 Dec 14]. Available from: https://wicri-demo.istex.fr/Wicri/SolsUrbains/en/index.php?title=Harald_Ertl&oldid=2155.

Bluebook style

Harald Ertl, https://wicri-demo.istex.fr/Wicri/SolsUrbains/en/index.php?title=Harald_Ertl&oldid=2155 (last visited December 14, 2025).

BibTeX entry

 @misc{ wiki:xxx,
   author = "Wicri Urban Soils",
   title = "Harald Ertl --- Wicri Urban Soils{,} ",
   year = "2009",
   url = "https://wicri-demo.istex.fr/Wicri/SolsUrbains/en/index.php?title=Harald_Ertl&oldid=2155",
   note = "[Online; accessed 14-December-2025]"
 }

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 = "Wicri Urban Soils",
   title = "Harald Ertl --- Wicri Urban Soils{,} ",
   year = "2009",
   url = "\url{https://wicri-demo.istex.fr/Wicri/SolsUrbains/en/index.php?title=Harald_Ertl&oldid=2155}",
   note = "[Online; accessed 14-December-2025]"
 }