Cita APA (7a ed.)

Clarke, E. G. C., & Berle, J. (1974). . Pharmaceutical Press.

Cita Chicago Style (17a ed.)

Clarke, E. G. C., y Judith Berle. . London: Pharmaceutical Press, 1974.

Cita MLA (9a ed.)

Clarke, E. G. C., y Judith Berle. . Pharmaceutical Press, 1974.