Cita APA (7th ed.)

Winsor, T. (1956). Electrocardiographic Test Book. The American Heart Association, Inc.

Cita Chicago (17th ed.)

Winsor, Travis. Electrocardiographic Test Book. New York: The American Heart Association, Inc, 1956.

Cita MLA (9th ed.)

Winsor, Travis. Electrocardiographic Test Book. The American Heart Association, Inc, 1956.