Cita APA (7a ed.)

Porter, R., & Wolstenholme, G. E. W. (1967). Mongolism: In commemoration of Dr. John Langdon Hayden Down. J. & A. Churchill.

Cita Chicago Style (17a ed.)

Porter, Ruth, y Gordon Ethelbert Ward Wolstenholme. Mongolism: In Commemoration of Dr. John Langdon Hayden Down. London: J. & A. Churchill, 1967.

Cita MLA (9a ed.)

Porter, Ruth, y Gordon Ethelbert Ward Wolstenholme. Mongolism: In Commemoration of Dr. John Langdon Hayden Down. J. & A. Churchill, 1967.