APA

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

Chicago

Wonnacott Paul, Wonnacott Ronald J, University of Western Ontario and University of Western Ontario. 1967. Free trade between the United States and Canada: the potential economic effects. Cambridge, Massaachusetts: Harvard University Press.

Harvard

Wonnacott P., Wonnacott R. J., University of Western Ontario and University of Western Ontario. (1967). Free trade between the United States and Canada: the potential economic effects. Cambridge, Massaachusetts: Harvard University Press.

MLA

Wonnacott Paul, Wonnacott Ronald J, University of Western Ontario and University of Western Ontario. Free trade between the United States and Canada: the potential economic effects. Cambridge, Massaachusetts: Harvard University Press. 1967.