APA (7th ed.) Citation

Humphreys, W. J. (1920). Physics of the air. Pub. for the Franklin institute of the state of Pennsylvania by J.B. Lippincott company.

Chicago Style (17th ed.) Citation

Humphreys, W. J. Physics of the Air. Philadelphia: Pub. for the Franklin institute of the state of Pennsylvania by J.B. Lippincott company, 1920.

MLA (9th ed.) Citation

Humphreys, W. J. Physics of the Air. Pub. for the Franklin institute of the state of Pennsylvania by J.B. Lippincott company, 1920.