MLA

Friedman, H. Harold. Diagnostic Electrocardiography and Vectorcardiography. 3rd ed. New York: McGraw-Hill, 1985.

APA

Friedman, H. Harold. (1985). Diagnostic electrocardiography and vectorcardiography. 3rd ed. New York: McGraw-Hill.

Chicago

Friedman, H. Harold Diagnostic Electrocardiography and Vectorcardiography. 3rd ed. New York: McGraw-Hill, 1985.