APA (7th ed.) Citation

McDermott, L. F. (1910). An illustrated key to the North American species of trifolium. Cunningham, Curtiss & Welch.

Chicago Style (17th ed.) Citation

McDermott, Laura Frances. An Illustrated Key to the North American Species of Trifolium. San Francisco: Cunningham, Curtiss & Welch, 1910.

MLA (9th ed.) Citation

McDermott, Laura Frances. An Illustrated Key to the North American Species of Trifolium. Cunningham, Curtiss & Welch, 1910.