Cita APA (7a ed.)

Cicala, P. (1997). An engineering approach to the calculus of variations (2nd ed.). Levrotto & Bella.

Cita Chicago Style (17a ed.)

Cicala, Plácido. An Engineering Approach to the Calculus of Variations. 2nd ed. Torino: Levrotto & Bella, 1997.

Cita MLA (8a ed.)

Cicala, Plácido. An Engineering Approach to the Calculus of Variations. 2nd ed. Levrotto & Bella, 1997.