A new map of Sicily the First, or the kingdom of Naples : drawn with several additions, from Zannoni's map published by order of the King of the Two Sicilies.
MLA
A New Map of Sicily the First, or the Kingdom of Naples : Drawn with Several Additions, from Zannoni's Map Published by Order of the King of the Two Sicilies. Printed for Robert Sayer ... , 1793. https://collections.library.yale.edu/catalog/15494134.
APA, 6th edition
A new map of Sicily the First, or the kingdom of Naples : drawn with several additions, from Zannoni's map published by order of the King of the Two Sicilies. (1793). [Maps]. Printed for Robert Sayer ... , https://collections.library.yale.edu/catalog/15494134.