Cita APA (7th ed.)

Ewing, G. M. (1985). Calculus of variations with applications. Dover.

Cita Chicago (17th ed.)

Ewing, George M. Calculus of Variations with Applications. Nueva York: Dover, 1985.

Cita MLA (9th ed.)

Ewing, George M. Calculus of Variations with Applications. Dover, 1985.