Cita APA (7a ed.)

Twidell, J. (1987). A guide to small wind energy conversion systems (1a ed.). Cambridge University Press.

Cita Chicago Style (17a ed.)

Twidell, John. A Guide to Small Wind Energy Conversion Systems. 1a ed. Cambridge: Cambridge University Press, 1987.

Cita MLA (9a ed.)

Twidell, John. A Guide to Small Wind Energy Conversion Systems. 1a ed. Cambridge University Press, 1987.