APA (7th ed.) Citation

Ennis, L. R. M. (1939). Dental roentgenology (3rd ed., thoroughly rev.). Lea & Febiger.

Chicago Style (17th ed.) Citation

Ennis, Le Roy Massey. Dental Roentgenology. 3rd ed., thoroughly rev. Philadelphia: Lea & Febiger, 1939.

MLA (9th ed.) Citation

Ennis, Le Roy Massey. Dental Roentgenology. 3rd ed., thoroughly rev. Lea & Febiger, 1939.