Cita APA (7a ed.)

Johnstone, R. T. (1948). Occupational medicine and industrial hygiene. C.V. Mosby Co..

Cita Chicago Style (17a ed.)

Johnstone, Rutherford Thompson. Occupational Medicine and Industrial Hygiene. St. Louis: C.V. Mosby Co., 1948.

Cita MLA (8a ed.)

Johnstone, Rutherford Thompson. Occupational Medicine and Industrial Hygiene. C.V. Mosby Co., 1948.