Cita APA (7th ed.)

Ford, L. R. (1955). Differential equations (2a. ed.). McGraw-Hill.

Cita Chicago (17th ed.)

Ford, Lester R. Differential Equations. 2a. ed. Nueva York: McGraw-Hill, 1955.

Cita MLA (9th ed.)

Ford, Lester R. Differential Equations. 2a. ed. McGraw-Hill, 1955.