APA (7th ed.) Citation

Barker, J. M. (1952). The unipolar electrocardiogram: A clinical interpretation. Appleton-Century-Crofts.

Chicago Style (17th ed.) Citation

Barker, Joseph M. The Unipolar Electrocardiogram: A Clinical Interpretation. New York: Appleton-Century-Crofts, 1952.

MLA (9th ed.) Citation

Barker, Joseph M. The Unipolar Electrocardiogram: A Clinical Interpretation. Appleton-Century-Crofts, 1952.