APA Style

Jr., R, C, B, V, D, B. (1970). Nomenclature and typification of the genera of rubiaceae-naucleeae and a proposal to conserve the generic name nauclea l. . Leiden: Taxon.

MLA Style

Jr., R., C., Bakhuizen, Vam, Den, Brink. "Nomenclature and typification of the genera of rubiaceae-naucleeae and a proposal to conserve the generic name nauclea l.". Leiden: Taxon, 1970. Text.