APA (7th ed.) Citation

Penfield, W. (1959). Speech and brain mechanisms QP85. Princeton University Press.

Chicago Style (17th ed.) Citation

Penfield, Wilder. Speech and Brain Mechanisms QP85. Princeton, N.J: Princeton University Press, 1959.

MLA (9th ed.) Citation

Penfield, Wilder. Speech and Brain Mechanisms QP85. Princeton University Press, 1959.