APA استشهاد

Fumagalli, E. (1973). Statical and Geomechanical Models. Springer-Verlag.

استشهاد بنمط شيكاغو

Fumagalli, E. Statical and Geomechanical Models. New York: Springer-Verlag, 1973.

MLA استشهاد

Fumagalli, E. Statical and Geomechanical Models. Springer-Verlag, 1973.