Citazione Stile APA (7a Edizione)

Strauss, W. A. (1969). The energy method in nonlinear partial differential equations. IMPA-CNPq.

Citazione stile Chigago Style (17a edizione)

Strauss, Walter Alexander. The Energy Method in Nonlinear Partial Differential Equations. Río de Janeiro: IMPA-CNPq, 1969.

Citatione MLA (9a ed.)

Strauss, Walter Alexander. The Energy Method in Nonlinear Partial Differential Equations. IMPA-CNPq, 1969.