Map, exhibiting the railway route between Baltimore & St. Louis, together with the other principal lines in the Eastern, Middle & Western states / prepared under the direction of B.H. Latrobe, Ch. Engr. B. & O.R.R. ; Lith. by A. Hoen & Co.
MLA
Latrobe, Benj. H. (Benjamin Henry), 1807-1878. Map, exhibiting the railway route between Baltimore & St. Louis, together with the other principal lines in the Eastern, Middle & Western states / prepared under the direction of B.H. Latrobe, Ch. Engr. B. & O.R.R. ; Lith. by A. Hoen & Co.. BRBL_00411. 1850?]. https://collections.library.yale.edu/catalog/15603733.
APA, 6th edition
Latrobe, Benj. H. (Benjamin Henry), 1807-1878. (["BRBL_00411"])(1850?])[Map, exhibiting the railway route between Baltimore & St. Louis, together with the other principal lines in the Eastern, Middle & Western states / prepared under the direction of B.H. Latrobe, Ch. Engr. B. & O.R.R. ; Lith. by A. Hoen & Co.]. https://collections.library.yale.edu/catalog/15603733.
