Cita APA (7th ed.)
Wolff, L. (1956). Electrocardiography: Fundamentals and clinical application (1a. ed.). Saunders Company.
Cita Chicago (17th ed.)
Wolff, Louis. Electrocardiography: Fundamentals and Clinical Application. 1a. ed. Philadelphia: Saunders Company, 1956.
Cita MLA (9th ed.)
Wolff, Louis. Electrocardiography: Fundamentals and Clinical Application. 1a. ed. Saunders Company, 1956.
Atenció: Aquestes cites poden no estar 100% correctes.