APA Style

Marriott, H, J, L., Wagner, G, S. (1994). Marriott's practical electrocardiography (9th). Baltimore: Lippincott Williams & Wilkins.

MLA Style

Marriott, Henry, J., L.., Wagner, Galen, S.. "Marriott's practical electrocardiography". 9th Baltimore: Lippincott Williams & Wilkins, 1994. Art Original.