APA

Latin American Research Officer de TPU, Smithsonian Institution D. o. B., . (1977). Newsletter of the Threatened Plants. Washington: Latin American Research Officer de TPU; Smithsonian Institution, Dep. of Botany.

Chicago

Latin American Research Officer de TPU, Smithsonian Institution Dep of Botany, . 1977. Newsletter of the Threatened Plants. Washington: Latin American Research Officer de TPU; Smithsonian Institution, Dep. of Botany.

Harvard

Latin American Research Officer de TPU, Smithsonian Institution D. o. B., . (1977). Newsletter of the Threatened Plants. Washington: Latin American Research Officer de TPU; Smithsonian Institution, Dep. of Botany.

MLA

Latin American Research Officer de TPU, Smithsonian Institution Dep of Botany, . Newsletter of the Threatened Plants. Washington: Latin American Research Officer de TPU; Smithsonian Institution, Dep. of Botany. 1977.