APA Citation

Estados Unidos. Public Health Service, & Estados Unidos. Public Health Service. (1972). Opticians employed in health services: United States 1969. Rockville, Md.

Chicago Style Citation

Estados Unidos. Public Health Service, and Estados Unidos. Public Health Service. Opticians Employed in Health Services: United States 1969. Rockville, Md, 1972.

MLA Citation

Estados Unidos. Public Health Service, and Estados Unidos. Public Health Service. Opticians Employed in Health Services: United States 1969. Rockville, Md, 1972.

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