Cita APA

Ashman, R., & Hull, E. (1941). Essentials of electrocardiography: For the student and practitioner of medicine (2d ed.). The Macmillan company.

Citación estilo Chicago

Ashman, Richard, and Edgar Hull. Essentials of Electrocardiography: For the Student and Practitioner of Medicine. 2d ed. New York: The Macmillan company, 1941.

Cita MLA

Ashman, Richard, and Edgar Hull. Essentials of Electrocardiography: For the Student and Practitioner of Medicine. 2d ed. The Macmillan company, 1941.