Cita APA (7a ed.)

Polak, L. (1972). Studies on contact hypersensitivity to chromium compunds. F. Hoffmann-La Roche & Co.

Cita Chicago Style (17a ed.)

Polak, Ladislav. Studies on Contact Hypersensitivity to Chromium Compunds. [Basel: F. Hoffmann-La Roche & Co, 1972.

Cita MLA (9a ed.)

Polak, Ladislav. Studies on Contact Hypersensitivity to Chromium Compunds. F. Hoffmann-La Roche & Co, 1972.