APA (7th ed.) Citation

Craig, G. M. (1968). The United States and Canada. Harvard University Press.

Chicago Style (17th ed.) Citation

Craig, Gerald M. The United States and Canada. Cambridge, Mass: Harvard University Press, 1968.

MLA (9th ed.) Citation

Craig, Gerald M. The United States and Canada. Harvard University Press, 1968.

Warning: These citations may not always be 100% accurate.