Cita APA (7th ed.)

Ayres, F. (1952). Theory and problems of differential equations (1a. ed.). Schaum Publishing.

Cita Chicago (17th ed.)

Ayres, Frank. Theory and Problems of Differential Equations. 1a. ed. Nueva York: Schaum Publishing, 1952.

Cita MLA (9th ed.)

Ayres, Frank. Theory and Problems of Differential Equations. 1a. ed. Schaum Publishing, 1952.