APA

Delprete P. G., .Notes on Calycophyllous rubiaseae. part II. Morphological comparison of the genera Bathysa and Schizocalyx. : .

Chicago

Delprete Piero G, .Notes on Calycophyllous rubiaseae. part II. Morphological comparison of the genera Bathysa and Schizocalyx. : .

Harvard

Delprete P. G., .Notes on Calycophyllous rubiaseae. part II. Morphological comparison of the genera Bathysa and Schizocalyx. : .

MLA

Delprete Piero G, .: . .