APA (7th ed.) Citation

Langsdorf, A. S. (1931). Fire hazards in warm air ducts: Alexander S. Langsdorf. Washington Univ.

Chicago Style (17th ed.) Citation

Langsdorf, Alexander S. Fire Hazards in Warm Air Ducts: Alexander S. Langsdorf. St. Louis: Washington Univ, 1931.

MLA (9th ed.) Citation

Langsdorf, Alexander S. Fire Hazards in Warm Air Ducts: Alexander S. Langsdorf. Washington Univ, 1931.