APA

Williams P. H., Humphries C. J., Prance G. T. & Edwards K. S.Promise and problems in applying quantitative complementary areas for representing the diversity of some neotropical plants (<families Dichapetalaceae, Lecythidaceae, Caryocaraceae, Chrysobala>). : .

Chicago

Williams Paul H, Humphries Cristopher J, Prance Ghillean T and Edwards K S.Promise and problems in applying quantitative complementary areas for representing the diversity of some neotropical plants (<families Dichapetalaceae, Lecythidaceae, Caryocaraceae, Chrysobala>). : .

Harvard

Williams P. H., Humphries C. J., Prance G. T. and Edwards K. S.Promise and problems in applying quantitative complementary areas for representing the diversity of some neotropical plants (<families Dichapetalaceae, Lecythidaceae, Caryocaraceae, Chrysobala>). : .

MLA

Williams Paul H, Humphries Cristopher J, Prance Ghillean T and Edwards K S.: . .