APA (7th ed.) Citation

Burch, G. E., & Winsor, T. (1949). A primer of electrocardiography. Lea & Febiger.

Chicago Style (17th ed.) Citation

Burch, George Edward, and Travis Winsor. A Primer of Electrocardiography. Philadelphia: Lea & Febiger, 1949.

MLA (9th ed.) Citation

Burch, George Edward, and Travis Winsor. A Primer of Electrocardiography. Lea & Febiger, 1949.