Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

Churchill, Ruel V. Operational Mathematics. 2a. ed. New York: McGraw-Hill Book Company, 1958.

Cita MLA (9a ed.)

Churchill, Ruel V. Operational Mathematics. 2a. ed. McGraw-Hill Book Company, 1958.