To the subscribers to the Borneo Church Mission Institution, this map of Borneo : constructed principally from that of Baron Melvill de Carnbee and the unpublished Admiralty surveys / Augustus Petermann.
MLA
Petermann, A. (August), 1822-1878. To the subscribers to the Borneo Church Mission Institution, this map of Borneo : constructed principally from that of Baron Melvill de Carnbee and the unpublished Admiralty surveys / Augustus Petermann.. BRBL_00023A. 1851. https://collections.library.yale.edu/catalog/12222009.
APA, 6th edition
Petermann, A. (August), 1822-1878. (["BRBL_00023A"])(1851)[To the subscribers to the Borneo Church Mission Institution, this map of Borneo : constructed principally from that of Baron Melvill de Carnbee and the unpublished Admiralty surveys / Augustus Petermann.]. https://collections.library.yale.edu/catalog/12222009.