Cita APA (7a ed.)

Phillips, W. (1850). Propositions concerning protection and free trade. C. C. Little and J. Brown.

Cita Chicago Style (17a ed.)

Phillips, Willard. Propositions Concerning Protection and Free Trade. Boston: C. C. Little and J. Brown, 1850.

Cita MLA (8a ed.)

Phillips, Willard. Propositions Concerning Protection and Free Trade. C. C. Little and J. Brown, 1850.