APA (7th ed.) Citation

Pentti, O. M. (1967). Spontaneous pneumothorax: A clinical study of 166 cases.

Chicago Style (17th ed.) Citation

Pentti, O. M. Spontaneous Pneumothorax: A Clinical Study of 166 Cases. 1967.

MLA (9th ed.) Citation

Pentti, O. M. Spontaneous Pneumothorax: A Clinical Study of 166 Cases. 1967.

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