APA

Clark G. H., . (1935). Readings in ethics. New York: Appleton-Century-Crofts.

Chicago

Clark Gordon H, . 1935. Readings in ethics. New York: Appleton-Century-Crofts.

Harvard

Clark G. H., . (1935). Readings in ethics. New York: Appleton-Century-Crofts.

MLA

Clark Gordon H, . Readings in ethics. New York: Appleton-Century-Crofts. 1935.