Cita APA (7a ed.)

Russell, A. F. (2011). Calculus of Variations ("First paperback edition 2011".). Cambridge University Press.

Cita Chicago Style (17a ed.)

Russell, Andrew Forsyth. Calculus of Variations. "First paperback edition 2011". Cambridge [etc.]: Cambridge University Press, 2011.

Cita MLA (9a ed.)

Russell, Andrew Forsyth. Calculus of Variations. "First paperback edition 2011". Cambridge University Press, 2011.