APA (7th ed.) Citation

Rowlands, A., & Sargent, A. (2008). The ECG workbook. M&K Update Ltd..

Chicago Style (17th ed.) Citation

Rowlands, Angela, and Andrew Sargent. The ECG Workbook. Cumbria [England]: M&K Update Ltd., 2008.

MLA (9th ed.) Citation

Rowlands, Angela, and Andrew Sargent. The ECG Workbook. M&K Update Ltd., 2008.