... An account of the progress of the expedition to Central Africa, performed by order of Her Majesty's Foreign office, under Messrs. Richardson, Barth, Overweg & Vogel, in the years 1850, 1851, 1852, and 1853. Consisting of maps and illustrations, with descriptive notes, constructed and comp. from official and private materials by Augustus Petermann ...
MLA
Great Britain. Foreign Office, Justus Perthes (Firm : Gotha, Germany) , Moras, Ferdinand, 1821-1908, Petermann, A. (August Heinrich), 1822-1878. ... An account of the progress of the expedition to Central Africa, performed by order of Her Majesty's Foreign office, under Messrs. Richardson, Barth, Overweg & Vogel, in the years 1850, 1851, 1852, and 1853. Consisting of maps and illustrations, with descriptive notes, constructed and comp. from official and private materials by Augustus Petermann .... 1854. https://collections.library.yale.edu/catalog/10102360.
APA, 6th edition
Great Britain. Foreign Office, & Justus Perthes (Firm : Gotha, Germany) , & Moras, Ferdinand, 1821-1908, & Petermann, A. (August Heinrich), 1822-1878. (1854)[... An account of the progress of the expedition to Central Africa, performed by order of Her Majesty's Foreign office, under Messrs. Richardson, Barth, Overweg & Vogel, in the years 1850, 1851, 1852, and 1853. Consisting of maps and illustrations, with descriptive notes, constructed and comp. from official and private materials by Augustus Petermann ...]. https://collections.library.yale.edu/catalog/10102360.