Cita APA (7a ed.)

Spring Research Association. (1974). Helical springs (1a ed.). Oxford University Press.

Cita Chicago Style (17a ed.)

Spring Research Association. Helical Springs. 1a ed. Oxford: Oxford University Press, 1974.

Cita MLA (9a ed.)

Spring Research Association. Helical Springs. 1a ed. Oxford University Press, 1974.