APA
Gosh and Das, . (1917). Hygine and public health. Calcutta: Hilton and Co.
Chicago
Gosh and Das, . 1917. Hygine and public health. Calcutta: Hilton and Co.
Harvard
Gosh and Das, . (1917). Hygine and public health. Calcutta: Hilton and Co.
MLA
Gosh and Das, . Hygine and public health. Calcutta: Hilton and Co. 1917.