APA (7th ed.) Citation

Phillips, W. (1968). Propositions concerning protection and free trade. A.M. Kelley.

Chicago Style (17th ed.) Citation

Phillips, Willard. Propositions Concerning Protection and Free Trade. New York: A.M. Kelley, 1968.

MLA (9th ed.) Citation

Phillips, Willard. Propositions Concerning Protection and Free Trade. A.M. Kelley, 1968.

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