APA
Flügge W., . (1973). Stresses in shells. Berlin: Springer Verlag.
Chicago
Flügge Wilhelm, . 1973. Stresses in shells. Berlin: Springer Verlag.
Harvard
Flügge W., . (1973). Stresses in shells. Berlin: Springer Verlag.
MLA
Flügge Wilhelm, . Stresses in shells. Berlin: Springer Verlag. 1973.