APA (7th ed.) Citation

Little, R. C., & Little, W. C. (1989). Physiology of the heart and circulation (4. ed.). Year Book Med. Publ.

Chicago Style (17th ed.) Citation

Little, Robert C., and William C. Little. Physiology of the Heart and Circulation. 4. ed. Chicago: Year Book Med. Publ, 1989.

MLA (9th ed.) Citation

Little, Robert C., and William C. Little. Physiology of the Heart and Circulation. 4. ed. Year Book Med. Publ, 1989.