APA (7th ed.) Citation

(1981). Symposium on chronic obstructive lung diseases. Saunders.

Chicago Style (17th ed.) Citation

Symposium on Chronic Obstructive Lung Diseases. Philadelphia [u.a.]: Saunders, 1981.

MLA (9th ed.) Citation

Symposium on Chronic Obstructive Lung Diseases. Saunders, 1981.

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