APA (7th ed.) Citation

Churchill, R. V. (1972). Operational mathematics (3d ed.). McGraw-Hill Book Co., Inc.

Chicago Style (17th ed.) Citation

Churchill, Ruel Vance. Operational Mathematics. 3d ed. New York: McGraw-Hill Book Co., Inc, 1972.

MLA (9th ed.) Citation

Churchill, Ruel Vance. Operational Mathematics. 3d ed. McGraw-Hill Book Co., Inc, 1972.