APA (7th ed.) Citation

Churchill, R. V. (1958). Operational mathematics (2a. ed.). McGraw-Hill.

Chicago Style (17th ed.) Citation

Churchill, Ruel Vance. Operational Mathematics. 2a. ed. Nueva York: McGraw-Hill, 1958.

MLA (9th ed.) Citation

Churchill, Ruel Vance. Operational Mathematics. 2a. ed. McGraw-Hill, 1958.