Cita APA (7a ed.)
Rowlands, A., & Sargent, A. (2011). The ECG workbook (2nd ed.). M&K.
Cita Chicago Style (17a ed.)
Rowlands, Angela, y Andrew Sargent. The ECG Workbook. 2nd ed. Cumbria [England]: M&K, 2011.
Cita MLA (9a ed.)
Rowlands, Angela, y Andrew Sargent. The ECG Workbook. 2nd ed. M&K, 2011.
Precaución: Estas citas no son 100% exactas.