APA

Brown S., Lugo A. E., Silander S. & Liegel L. (1983). Research history and opportunities in the Luquillo experimental forest. New Orleans: United States. Departament of Agriculture.

Chicago

Brown Sandra, Lugo Ariel E, Silander Susan and Liegel León. 1983. Research history and opportunities in the Luquillo experimental forest. New Orleans: United States. Departament of Agriculture.

Harvard

Brown S., Lugo A. E., Silander S. and Liegel L. (1983). Research history and opportunities in the Luquillo experimental forest. New Orleans: United States. Departament of Agriculture.

MLA

Brown Sandra, Lugo Ariel E, Silander Susan and Liegel León. Research history and opportunities in the Luquillo experimental forest. New Orleans: United States. Departament of Agriculture. 1983.