APA (7th ed.) Citation

Doughty, H. (1999). The Penguin guide to American medical and dental schools. Penguin Books.

Chicago Style (17th ed.) Citation

Doughty, Harold. The Penguin Guide to American Medical and Dental Schools. New York, N.Y.: Penguin Books, 1999.

MLA (9th ed.) Citation

Doughty, Harold. The Penguin Guide to American Medical and Dental Schools. Penguin Books, 1999.