APA

Singer R., Ovrebo C. L. & Halling R. E.New species of Phylloporus and Tricholomopsis from Colombia, with notes Phylloporus Boletinoides. : .

Chicago

Singer Rolf, Ovrebo Clark L and Halling Roy E.New species of Phylloporus and Tricholomopsis from Colombia, with notes Phylloporus Boletinoides. : .

Harvard

Singer R., Ovrebo C. L. and Halling R. E.New species of Phylloporus and Tricholomopsis from Colombia, with notes Phylloporus Boletinoides. : .

MLA

Singer Rolf, Ovrebo Clark L and Halling Roy E.: . .