MLA

Sakel, Manfred, and Otto Pötzl. Epilepsy. New York: Philosophical Library, 1958.

APA

Sakel, M., & Pötzl, O. (1958). Epilepsy. New York: Philosophical Library.

Chicago

Sakel, Manfred, and Otto Pötzl. Epilepsy. New York: Philosophical Library, 1958.