MLA

Porter, Roger J, J. Kiffin Penry, and S. D Shorvon. Tegretol In Epilepsy. Dilbeek: Geigy, 1980.

APA

Porter, R. J, Penry, J. Kiffin, & Shorvon, S. D. (1980). Tegretol in epilepsy. Dilbeek: Geigy.

Chicago

Porter, Roger J., J. Kiffin Penry, and S. D Shorvon. Tegretol In Epilepsy. Dilbeek: Geigy, 1980.