APA

Say J. B., Richter J. & Say J. B. (1967). Letters to Mr. Malthus on several subjects of political economy and on the cause of the stagnation of commerce, to which is added a catechism of political economy; or, familiar conversations on the manner in which wealth is produced, distributed, and consumed in society. New York: A. M. Kelley.

Chicago

Say Jean Baptiste, Richter John and Say Jean Baptiste. 1967. Letters to Mr. Malthus on several subjects of political economy and on the cause of the stagnation of commerce, to which is added a catechism of political economy; or, familiar conversations on the manner in which wealth is produced, distributed, and consumed in society. New York: A. M. Kelley.

Harvard

Say J. B., Richter J. and Say J. B. (1967). Letters to Mr. Malthus on several subjects of political economy and on the cause of the stagnation of commerce, to which is added a catechism of political economy; or, familiar conversations on the manner in which wealth is produced, distributed, and consumed in society. New York: A. M. Kelley.

MLA

Say Jean Baptiste, Richter John and Say Jean Baptiste. Letters to Mr. Malthus on several subjects of political economy and on the cause of the stagnation of commerce, to which is added a catechism of political economy; or, familiar conversations on the manner in which wealth is produced, distributed, and consumed in society. New York: A. M. Kelley. 1967.