APA Citation
(1916). Are you in business for your health? If not, you ought to be. Division of Industrial Hygiene, Ohio State Board of Health. Retrieved from https://library.si.edu/digital-library/book/areyouinbusiness00colu
MLA Citation
Are you in business for your health? If not, you ought to be. 3rd rev. ed., Division of Industrial Hygiene, Ohio State Board of Health, 1916, https://library.si.edu/digital-library/book/areyouinbusiness00colu
Chicago
Are you in business for your health? If not, you ought to be. Division of Industrial Hygiene, Ohio State Board of Health, 1916. https://library.si.edu/digital-library/book/areyouinbusiness00colu
Warning: These citations may not always be complete (especially for serials).