APA (7th ed.) Citation

Boggs, S. W. (1940). International boundaries: A study of boundary functions and problems. Columbia University Press.

Chicago Style (17th ed.) Citation

Boggs, Samuel Whittemore. International Boundaries: A Study of Boundary Functions and Problems. New York: Columbia University Press, 1940.

MLA (9th ed.) Citation

Boggs, Samuel Whittemore. International Boundaries: A Study of Boundary Functions and Problems. Columbia University Press, 1940.