APA (7th ed.) Citation

American Heart Association & American Heart Association. Circulation. American Heart Association, etc.].

Chicago Style (17th ed.) Citation

American Heart Association and American Heart Association. Circulation. [Dallas, Tex., etc.: American Heart Association, etc.].

MLA (8th ed.) Citation

American Heart Association and American Heart Association. Circulation. American Heart Association, etc.].

Warning: These citations may not always be 100% accurate.