APA (7th ed.) Citation

Johnson, R., & Swartz, M. H. (1986). A simplified approach to electrocardiography. Saunders.

Chicago Style (17th ed.) Citation

Johnson, Richard, and Mark H. Swartz. A Simplified Approach to Electrocardiography. Philadelphia: Saunders, 1986.

MLA (8th ed.) Citation

Johnson, Richard, and Mark H. Swartz. A Simplified Approach to Electrocardiography. Saunders, 1986.