Berger, E. H. (1983). Laboratory attenuation of earmuffs and earplugs both singly and in combination. American Industrial Hygiene Association Journal, 44, 321.
Chicago Style (17th ed.) CitationBerger, E. H. "Laboratory Attenuation of Earmuffs and Earplugs Both Singly and in Combination." American Industrial Hygiene Association Journal 44 (1983): 321.
MLA (9th ed.) CitationBerger, E. H. "Laboratory Attenuation of Earmuffs and Earplugs Both Singly and in Combination." American Industrial Hygiene Association Journal, vol. 44, 1983, p. 321.
Warning: These citations may not always be 100% accurate.