Marriott's practical electrocardiography.
APA Citation
Wagner, G. S., Marriott, H. J. L. (Henry Joseph Llewellyn). (1994). Marriott's practical electrocardiography. 9th ed. / Baltimore: Williams & Wilkins.
MLA Citation
Wagner, Galen S, and Henry J. L. (Henry Joseph Llewellyn) Marriott. Marriott's Practical Electrocardiography. 9th ed. / Baltimore: Williams & Wilkins, 1994.
Warning: These citations may not always be complete (especially for serials).