Martelli. Martelli's Navigation Tables: A rapid method of finding the position and for solving spherical triangle problems. Kelvin Hughes.
Chicago Edition CitationMartelli. Martelli's Navigation Tables: A Rapid Method of Finding the Position and for Solving Spherical Triangle Problems. London: Kelvin Hughes.
MLA Edition CitationMartelli. Martelli's Navigation Tables: A Rapid Method of Finding the Position and for Solving Spherical Triangle Problems. Kelvin Hughes.
Warning: These citations may not always be 100% accurate.