APA (7th ed.) Citation

Wonnacott, R. J., & Wonnacott, P. (1967). Free trade between the United States and Canada: The potential economic effects. Harvard University Press.

Chicago Style (17th ed.) Citation

Wonnacott, Ronald J., and Paul Wonnacott. Free Trade Between the United States and Canada: The Potential Economic Effects. Cambridge: Harvard University Press, 1967.

MLA (8th ed.) Citation

Wonnacott, Ronald J., and Paul Wonnacott. Free Trade Between the United States and Canada: The Potential Economic Effects. Harvard University Press, 1967.