Cita APA (7a ed.)

Campbell, W. R., & Porter, M. T. (1926). A guide for diabetics. the Williams & Wilkins company.

Cita Chicago Style (17a ed.)

Campbell, Walter Ruggles, y Mame T. Porter. A Guide for Diabetics. Baltimore: the Williams & Wilkins company, 1926.

Cita MLA (8a ed.)

Campbell, Walter Ruggles, y Mame T. Porter. A Guide for Diabetics. the Williams & Wilkins company, 1926.