Cita APA (7a ed.)

Thaler, M. S. (2019). The only EKG book you'll ever need (Ninth edition.). Wolters Kluwer.

Cita Chicago Style (17a ed.)

Thaler, Malcolm S. The Only EKG Book You'll Ever Need. Ninth edition. Philadelphia: Wolters Kluwer, 2019.

Cita MLA (8a ed.)

Thaler, Malcolm S. The Only EKG Book You'll Ever Need. Ninth edition. Wolters Kluwer, 2019.