APA

Singer R., .Monographs of south american Basidiomycetes especially those of the east slope of the Andes and Brazil, 10 : Xeromphalina / R. Singer. : .

Chicago

Singer Rolf, .Monographs of south american Basidiomycetes especially those of the east slope of the Andes and Brazil, 10 : Xeromphalina / R. Singer. : .

Harvard

Singer R., .Monographs of south american Basidiomycetes especially those of the east slope of the Andes and Brazil, 10 : Xeromphalina / R. Singer. : .

MLA

Singer Rolf, .: . .