APA Style

BENSON, D, S., TOWNES, P, G. (1990). Excellence in Ambulatory Care: a practical guide to developing effective quality assurance programs (1). San Francisco: Jossey-Bass Publishers.

MLA Style

BENSON, DALE, S.., TOWNES, PEYTON, G.. "Excellence in Ambulatory Care: a practical guide to developing effective quality assurance programs". 1 San Francisco: Jossey-Bass Publishers, 1990. Text.