APA

Ward L. R., . (1965). Ethics: a college text. New York: Harper & Row.

Chicago

Ward Leo Richard, . 1965. Ethics: a college text. New York: Harper & Row.

Harvard

Ward L. R., . (1965). Ethics: a college text. New York: Harper & Row.

MLA

Ward Leo Richard, . Ethics: a college text. New York: Harper & Row. 1965.