Cita APA (7a ed.)

Scherf, D., & Boyd, L. J. (1948). Cardiovascular diseases: Their diagnosis and treatment (2nd ed.). Heinemann.

Cita Chicago Style (17a ed.)

Scherf, David, y Linn J. Boyd. Cardiovascular Diseases: Their Diagnosis and Treatment. 2nd ed. London [etc.]: Heinemann, 1948.

Cita MLA (9a ed.)

Scherf, David, y Linn J. Boyd. Cardiovascular Diseases: Their Diagnosis and Treatment. 2nd ed. Heinemann, 1948.