APA (7th ed.) Citation

Verrill, A. H. (1939). Wonder plants and plant wonders. D. Appleton-Century company, incorporated.

Chicago Style (17th ed.) Citation

Verrill, A. Hyatt. Wonder Plants and Plant Wonders. New York, London: D. Appleton-Century company, incorporated, 1939.

MLA (9th ed.) Citation

Verrill, A. Hyatt. Wonder Plants and Plant Wonders. D. Appleton-Century company, incorporated, 1939.