APA (7th ed.) Citation

(2017). Controlling for age: Stratification or adjustment. Medmastery GmbH.

Chicago Style (17th ed.) Citation

Controlling for Age: Stratification or Adjustment. [Place of publication not identified]: Medmastery GmbH, 2017.

MLA (9th ed.) Citation

Controlling for Age: Stratification or Adjustment. Medmastery GmbH, 2017.