Cita APA (7a ed.)
Speidel, M., Wolfensberger, S., & Uggowitzer, P. (1987). Fracture Toughness of Cast Iron: Switzerland. India.
Cita Chicago Style (17a ed.)
Speidel, M.O, S. Wolfensberger, y P.J Uggowitzer. Fracture Toughness of Cast Iron: Switzerland. New Delhi: India, 1987.
Cita MLA (9a ed.)
Speidel, M.O, et al. Fracture Toughness of Cast Iron: Switzerland. India, 1987.
Precaución: Estas citas no son 100% exactas.