APA

Smith A., Skinner A. i., . (1979). The wealth of nations. New York: Penguin.

Chicago

Smith Adam, Skinner Andrew int, . 1979. The wealth of nations. New York: Penguin.

Harvard

Smith A., Skinner A. i., . (1979). The wealth of nations. New York: Penguin.

MLA

Smith Adam, Skinner Andrew int, . The wealth of nations. New York: Penguin. 1979.