State of Illinois [cartographic material] : compiled from the official records of the General Land Office and other sources under the supervision of G.P. Strum.
MLA
Strum, G. P. (Gustave P.). State of Illinois [cartographic material] : compiled from the official records of the General Land Office and other sources under the supervision of G.P. Strum.. BRBL_00547. 1885. https://collections.library.yale.edu/catalog/15814403.
APA, 6th edition
Strum, G. P. (Gustave P.). (["BRBL_00547"])(1885)[State of Illinois [cartographic material] : compiled from the official records of the General Land Office and other sources under the supervision of G.P. Strum.]. https://collections.library.yale.edu/catalog/15814403.
