APA

Wright R. I. V., Humphries C. & Williams P. H.What to protect?- sistematics and the agony of choine. : .

Chicago

Wright R I Vane, Humphries Chris and Williams Paul H.What to protect?- sistematics and the agony of choine. : .

Harvard

Wright R. I. V., Humphries C. and Williams P. H.What to protect?- sistematics and the agony of choine. : .

MLA

Wright R I Vane, Humphries Chris and Williams Paul H.: . .