APA

Halling R. E., .Thaxter's Thaxterogasters and other chilean hypogeous fungi. : .

Chicago

Halling Roy E, .Thaxter's Thaxterogasters and other chilean hypogeous fungi. : .

Harvard

Halling R. E., .Thaxter's Thaxterogasters and other chilean hypogeous fungi. : .

MLA

Halling Roy E, .: . .