A new and correct map of the coast of Africa, from Cape Blanco (lat. 20⁰40Ń) to the coast of Angola (lat. 11⁰S) : with explanatory notes of all the forts and settlements belonging to the several European powers / R.W. Seale, sculp.
MLA
Seale, Richard William. A New and Correct Map of the Coast of Africa, from Cape Blanco (Lat. 20⁰40Ń) to the Coast of Angola (Lat. 11⁰S) : with Explanatory Notes of All the Forts and Settlements Belonging to the Several European Powers / R.W. Seale, Sculp. Printed for H. Woodfall [etc.], 1766. https://collections.library.yale.edu/catalog/15533538.
APA, 6th edition
Seale, R. W. (1766). A new and correct map of the coast of Africa, from Cape Blanco (lat. 20⁰40Ń) to the coast of Angola (lat. 11⁰S) : with explanatory notes of all the forts and settlements belonging to the several European powers / R.W. Seale, sculp. [Maps]. Printed for H. Woodfall [etc.], https://collections.library.yale.edu/catalog/15533538.