Cita APA (7th ed.)

CHURCHILL, R. V. (1958). Operational mathematics. McGraw-Hill.

Cita Chicago (17th ed.)

CHURCHILL, Ruel V. Operational Mathematics. New York: McGraw-Hill, 1958.

Cita MLA (9th ed.)

CHURCHILL, Ruel V. Operational Mathematics. McGraw-Hill, 1958.