Cita APA

Little, E. L., & Wadsworth, F. H. (1964). Common trees of Puerto Rico and the Virgin Islands.

Citación estilo Chicago

Little, Elbert L., y Frank H. Wadsworth. Common Trees of Puerto Rico and the Virgin Islands. 1964.

Cita MLA

Little, Elbert L., y Frank H. Wadsworth. Common Trees of Puerto Rico and the Virgin Islands. 1964.