Isthmus of Darien : map showing the route of Commander Prevost from Rancho no. 1 on the Savana River to Rancho no. 12 beyond Prevost river to which are added the surveys and sections of the isthmus / by Lionel Gisborne, esqr., c.e., 1854.
MLA
Gisborne, Lionel. Isthmus of Darien : Map Showing the Route of Commander Prevost from Rancho No. 1 on the Savana River to Rancho No. 12 beyond Prevost River to Which Are Added the Surveys and Sections of the Isthmus / by Lionel Gisborne, Esqr., C.e., 1854. s.n., 1866. https://collections.library.yale.edu/catalog/15822425.
APA, 6th edition
Gisborne, L. (1866). Isthmus of Darien : map showing the route of Commander Prevost from Rancho no. 1 on the Savana River to Rancho no. 12 beyond Prevost river to which are added the surveys and sections of the isthmus / by Lionel Gisborne, esqr., c.e., 1854. [Maps]. s.n., https://collections.library.yale.edu/catalog/15822425.
