American Heart Association. (1950). Circulation: An official journal of the American Heart Association. Lippincott, Williams & Wilkins.
Cita Chicago Style (17a ed.)American Heart Association. Circulation: An Official Journal of the American Heart Association. Philadelphia, Pa: Lippincott, Williams & Wilkins, 1950.
Cita MLA (9a ed.)American Heart Association. Circulation: An Official Journal of the American Heart Association. Lippincott, Williams & Wilkins, 1950.
Precaución: Estas citas no son 100% exactas.