APA (7th ed.) Citation

Thurber, J. (1939). The last flower: A parable in pictures. Harper.

Chicago Style (17th ed.) Citation

Thurber, James. The Last Flower: A Parable in Pictures. New York, London: Harper, 1939.

MLA (9th ed.) Citation

Thurber, James. The Last Flower: A Parable in Pictures. Harper, 1939.