Cita APA

Little, E. L. 1., & Woodbury, R. O. (1980). Rare and endemic trees of Puerto Rico and the Virgin Islands. Washington, D.C.: United State Department of Agriculture, Forest Service.

Citación estilo Chicago

Little, Elbert Luther 1907-2004, y Roy O. Woodbury. Rare and Endemic Trees of Puerto Rico and the Virgin Islands. Washington, D.C.: United State Department of Agriculture, Forest Service, 1980.

Cita MLA

Little, Elbert Luther 1907-2004, y Roy O. Woodbury. Rare and Endemic Trees of Puerto Rico and the Virgin Islands. Washington, D.C.: United State Department of Agriculture, Forest Service, 1980.