APA (7th ed.) Citation

Não informado. (1973). American Lung Association bulletin. American Lung Association.

Chicago Style (17th ed.) Citation

Não informado. American Lung Association Bulletin. New York: American Lung Association, 1973.

MLA (8th ed.) Citation

Não informado. American Lung Association Bulletin. American Lung Association, 1973.

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