Цитирование APA (7-е изд.)
Frailty syndrome: clinic, diagnosis, treatment: Study aid.
Цитирование в стиле Чикаго (17-е изд.)Frailty Syndrome: Clinic, Diagnosis, Treatment: Study Aid.
Цитирование MLA (8-е изд.)Frailty Syndrome: Clinic, Diagnosis, Treatment: Study Aid.
警告：這些引文格式不一定是100％准確.