APA

Crumley T., . (1950). Logic, deductive and inductive. New York: Macmillan.

Chicago

Crumley Thomas, . 1950. Logic, deductive and inductive. New York: Macmillan.

Harvard

Crumley T., . (1950). Logic, deductive and inductive. New York: Macmillan.

MLA

Crumley Thomas, . Logic, deductive and inductive. New York: Macmillan. 1950.