APA (7th ed.) Citation

Kravath, F. F. (1987). Christopher Columbus, cosmographer: A history of metrology, geodesy, geography, and exploration from antiquity to the Columbian era. Landmark Enterprises.

Chicago Style (17th ed.) Citation

Kravath, Fred F. Christopher Columbus, Cosmographer: A History of Metrology, Geodesy, Geography, and Exploration from Antiquity to the Columbian Era. Rancho Cordova: Landmark Enterprises, 1987.

MLA (9th ed.) Citation

Kravath, Fred F. Christopher Columbus, Cosmographer: A History of Metrology, Geodesy, Geography, and Exploration from Antiquity to the Columbian Era. Landmark Enterprises, 1987.