Cita APA

Gregory, T. E. G. (1968). Tariffs: A study in method. A. M. Kelley.

Citación estilo Chicago

Gregory, Theodor Emanuel Gugenheim. Tariffs: A Study in Method. New York: A. M. Kelley, 1968.

Cita MLA

Gregory, Theodor Emanuel Gugenheim. Tariffs: A Study in Method. A. M. Kelley, 1968.

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