Cita APA (7th ed.)

Coddington, E. A., & Levinson, N. (1955). Theory of Ordinary Differential Equations. McGraw-Hill.

Cita Chicago (17th ed.)

Coddington, Earl A., i Norman Levinson. Theory of Ordinary Differential Equations. New York: McGraw-Hill, 1955.

Cita MLA (9th ed.)

Coddington, Earl A., i Norman Levinson. Theory of Ordinary Differential Equations. McGraw-Hill, 1955.