APA (7th ed.) Citation

Lefschetz, S. (1977). Differential equations: Geometric theory (2nd ed.). Dover Publications.

Chicago Style (17th ed.) Citation

Lefschetz, Solomon. Differential Equations: Geometric Theory. 2nd ed. New York: Dover Publications, 1977.

MLA (9th ed.) Citation

Lefschetz, Solomon. Differential Equations: Geometric Theory. 2nd ed. Dover Publications, 1977.