APA
S. Whittemore Boggs, . (1940). International boundaries : a study of boundary functions and problems. New York: Columbia University Press.
Chicago
S. Whittemore Boggs, . 1940. International boundaries : a study of boundary functions and problems. New York: Columbia University Press.
Harvard
S. Whittemore Boggs, . (1940). International boundaries : a study of boundary functions and problems. New York: Columbia University Press.
MLA
S. Whittemore Boggs, . International boundaries : a study of boundary functions and problems. New York: Columbia University Press. 1940.
