Trenton escarpment

Chicago citation style
Thwaites, F.T. Trenton escarpment. 1920-07-31. Retrieved from the Digital Public Library of America, http://digital.library.wisc.edu/1711.dl/SSRecIDSearch?repl1=EcoNatRes&repl2=EcoNatRes.wgnhs2619.bib. (Accessed January 26, 2020.)
APA citation style
Thwaites, F.T, (1920-07-31) Trenton escarpment. Retrieved from the Digital Public Library of America, http://digital.library.wisc.edu/1711.dl/SSRecIDSearch?repl1=EcoNatRes&repl2=EcoNatRes.wgnhs2619.bib
MLA citation style
Thwaites, F.T. Retrieved from the Digital Public Library of America <http://digital.library.wisc.edu/1711.dl/SSRecIDSearch?repl1=EcoNatRes&repl2=EcoNatRes.wgnhs2619.bib>.
Note: These citations are programmatically generated and may be incomplete.