APA

Wright W. K., . (1929). General introduction to ethics. New York: The Macmillan Co.

Chicago

Wright William Kelley, . 1929. General introduction to ethics. New York: The Macmillan Co.

Harvard

Wright W. K., . (1929). General introduction to ethics. New York: The Macmillan Co.

MLA

Wright William Kelley, . General introduction to ethics. New York: The Macmillan Co. 1929.