APA (7th ed.) Citation

Armstrong, H. G. (1939). Principles and Practice of Aviation Medicine. Williams & Wilkins.

Chicago Style (17th ed.) Citation

Armstrong, Harry G. Principles and Practice of Aviation Medicine. Baltimore: Williams & Wilkins, 1939.

MLA (9th ed.) Citation

Armstrong, Harry G. Principles and Practice of Aviation Medicine. Williams & Wilkins, 1939.

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