APA (7th ed.) Citation

(2011). Guidelines for the use of the ILO International Classification of Radiographs of Pneumoconioses (OSH 22) (Rev. ed. 2011.). International Labour Office.

Chicago Style (17th ed.) Citation

Guidelines for the Use of the ILO International Classification of Radiographs of Pneumoconioses (OSH 22). Rev. ed. 2011. Geneva: International Labour Office, 2011.

MLA (9th ed.) Citation

Guidelines for the Use of the ILO International Classification of Radiographs of Pneumoconioses (OSH 22). Rev. ed. 2011. International Labour Office, 2011.