Johnson, R., & Swartz, M. H. (1986). A simplified approach to electrocardiography / Richard Johnson, Mark H. Swartz. Saunders.
Chicago Style (17th ed.) CitationJohnson, Richard, and Mark H. Swartz. A Simplified Approach to Electrocardiography / Richard Johnson, Mark H. Swartz. Philadelphia ; London: Saunders, 1986.
MLA (9th ed.) CitationJohnson, Richard, and Mark H. Swartz. A Simplified Approach to Electrocardiography / Richard Johnson, Mark H. Swartz. Saunders, 1986.
Warning: These citations may not always be 100% accurate.