APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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