Cita APA

Bellet, S. n. 1., & Bellet, S. n. 1. (1971). Clinical disorders of the heart beat (3. edition rev.). Philadelphia.

Citación estilo Chicago

Bellet, Samuel n. 1899, y Samuel n. 1899 Bellet. Clinical Disorders of the Heart Beat. 3. edition rev. Philadelphia, 1971.

Cita MLA

Bellet, Samuel n. 1899, y Samuel n. 1899 Bellet. Clinical Disorders of the Heart Beat. 3. edition rev. Philadelphia, 1971.