APA (7th ed.) Citation

Não informado. (1938). Occupational Hazards. Penton Publishing.

Chicago Style (17th ed.) Citation

Não informado. Occupational Hazards. Cleveland, Ohio: Penton Publishing, 1938.

MLA (8th ed.) Citation

Não informado. Occupational Hazards. Penton Publishing, 1938.

Warning: These citations may not always be 100% accurate.