APA (7th ed.) Citation

Leighton, I. (1949). The Aspirin age: 1919 - 1941. Simon and Schuster.

Chicago Style (17th ed.) Citation

Leighton, Isabel. The Aspirin Age: 1919 - 1941. New York, N.Y: Simon and Schuster, 1949.

MLA (8th ed.) Citation

Leighton, Isabel. The Aspirin Age: 1919 - 1941. Simon and Schuster, 1949.