APA (7th ed.) Citation

Burch, G. E., & De Pasquale, N. P. (1964). A history of electrocardiography. Year Book Medical Publ.

Chicago Style (17th ed.) Citation

Burch, George E., and Nicholas P. De Pasquale. A History of Electrocardiography. Chicago: Year Book Medical Publ, 1964.

MLA (9th ed.) Citation

Burch, George E., and Nicholas P. De Pasquale. A History of Electrocardiography. Year Book Medical Publ, 1964.