APA (7th ed.) Citation

Mears, J. A. (1985). Index to the vascular plant type collection of the United States National Arboretum. Meckler Pub..

Chicago Style (17th ed.) Citation

Mears, James A. Index to the Vascular Plant Type Collection of the United States National Arboretum. Westport, CT: Meckler Pub., 1985.

MLA (9th ed.) Citation

Mears, James A. Index to the Vascular Plant Type Collection of the United States National Arboretum. Meckler Pub., 1985.