Não informado. (1974). Belmontia: Miscellaneous publications in botany. Agricultural University, Department of Plant Taxonomy.
Style de citation Chicago (17e éd.)Não informado. Belmontia: Miscellaneous Publications in Botany. Wageningen, Holanda: Agricultural University, Department of Plant Taxonomy, 1974.
Style de citation MLA (8e éd.)Não informado. Belmontia: Miscellaneous Publications in Botany. Agricultural University, Department of Plant Taxonomy, 1974.
Attention : ces citations peuvent ne pas être correctes à 100%.