Cita APA (7a ed.)

Young, . W. C., & [Roark, R. J. (1989). Roark's formulas for stress & strain (6a ed.). McGraw-Hill.

Cita Chicago Style (17a ed.)

Young, Warren C., y Raymond J.] [Roark. Roark's Formulas for Stress & Strain. 6a ed. New York: McGraw-Hill, 1989.

Cita MLA (8a ed.)

Young, Warren C., y Raymond J.] [Roark. Roark's Formulas for Stress & Strain. 6a ed. McGraw-Hill, 1989.