APA

Mourant J. A., . (1963). Formal logic: an introductory textbook. New York: Macmillan.

Chicago

Mourant John A, . 1963. Formal logic: an introductory textbook. New York: Macmillan.

Harvard

Mourant J. A., . (1963). Formal logic: an introductory textbook. New York: Macmillan.

MLA

Mourant John A, . Formal logic: an introductory textbook. New York: Macmillan. 1963.