APA (7th ed.) Citation

Preston, R. C., & Tottle, J. (1965). In these United States and Canada. Heath.

Chicago Style (17th ed.) Citation

Preston, Ralph Clausius, and John Tottle. In These United States and Canada. Boston: Heath, 1965.

MLA (9th ed.) Citation

Preston, Ralph Clausius, and John Tottle. In These United States and Canada. Heath, 1965.

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