MLA

Great Britain. Hydrographic Department, cartographer. South Australia, St. Vincent Gulf, Port Adelaide and Holdfast Bay / Surveyed by Commr. Stokes, H.M.S. Beagle, 1841 ; J. & C. Walker, Sculpt. Published according to Act of Parliament at the Hydrographic Office of the Admiralty, 0AD. https://collections.library.yale.edu/catalog/16712375.

APA, 6th edition

Great Britain. Hydrographic Department, cartographer. (0 C.E.). South Australia, St. Vincent Gulf, Port Adelaide and Holdfast Bay / surveyed by Commr. Stokes, H.M.S. Beagle, 1841 ; J. & C. Walker, sculpt. [Nautical charts]. Published according to Act of Parliament at the Hydrographic Office of the Admiralty, https://collections.library.yale.edu/catalog/16712375.