Cita APA (7th ed.)

Wallerstein, D. V. (2002). A variational approach to structural analysis. John Wiley & Sons.

Cita Chicago (17th ed.)

Wallerstein, David V. A Variational Approach to Structural Analysis. New York: John Wiley & Sons, 2002.

Cita MLA (8th ed.)

Wallerstein, David V. A Variational Approach to Structural Analysis. John Wiley & Sons, 2002.