Cite

An equilateral cone circumscribed about a sphere ...

MLA

Hawkins, John, Sir, 1719-1789, Tacquet, Andre, 1612-1660. An equilateral cone circumscribed about a sphere .... https://collections.library.yale.edu/catalog/2037953.

APA, 6th edition

Hawkins, John, Sir, 1719-1789, & Tacquet, Andre, 1612-1660. [An equilateral cone circumscribed about a sphere ...]. https://collections.library.yale.edu/catalog/2037953.