APA

Amit Kumar, University of Delhi. Faculty of Medical Sciences. Department of Medicine, Dr. Anil Gurtoo Gu, Dr. Raj Kumar Gu, Dr. Varinder Singh Gu & University of Delhi. Faculty of Medical Sciences. Department of Medicine. (2010). Study of smoking epidemology in the medical community of Delhi. : .

Chicago

Amit Kumar, University of Delhi. Faculty of Medical Sciences. Department of Medicine, Dr. Anil Gurtoo Gu, Dr. Raj Kumar Gu, Dr. Varinder Singh Gu and University of Delhi. Faculty of Medical Sciences. Department of Medicine. 2010. Study of smoking epidemology in the medical community of Delhi. : .

Harvard

Amit Kumar, University of Delhi. Faculty of Medical Sciences. Department of Medicine, Dr. Anil Gurtoo Gu, Dr. Raj Kumar Gu, Dr. Varinder Singh Gu and University of Delhi. Faculty of Medical Sciences. Department of Medicine. (2010). Study of smoking epidemology in the medical community of Delhi. : .

MLA

Amit Kumar, University of Delhi. Faculty of Medical Sciences. Department of Medicine, Dr. Anil Gurtoo Gu, Dr. Raj Kumar Gu, Dr. Varinder Singh Gu and University of Delhi. Faculty of Medical Sciences. Department of Medicine. Study of smoking epidemology in the medical community of Delhi. : . 2010.