Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

Churchill, Ruel V. Operational Mathematics. 2a. ed. Tokyo: McGraw-Hill, 1958.

Cita MLA (8a ed.)

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