APA

Mothersill M., Mothersill M., . (1965). Ethics. New York: Macmillan.

Chicago

Mothersill Mary, Mothersill Mary, . 1965. Ethics. New York: Macmillan.

Harvard

Mothersill M., Mothersill M., . (1965). Ethics. New York: Macmillan.

MLA

Mothersill Mary, Mothersill Mary, . Ethics. New York: Macmillan. 1965.